#0289FD
Closest named color: Dodger Blue (#1E90FF). oklch(63.3% 0.198 253.6), rgb(2, 137, 253).
Aa
Black text reads best on this color (5.99:1).
About this color
#0289FD is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.198 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.021 away. Black text reads best on it, at 5.99:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #0289FD |
| RGB | rgb(2, 137, 253) |
| HSL | hsl(208, 98%, 50%) |
| OKLCH | oklch(63.3% 0.198 253.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0289FD | 3.50:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #0289FD | 5.99:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #0289FD text on white | 3.50:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #0289FD text on black | 5.99:1 | AA | Lc -39.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DDEBFD
oklch(93.5% 0.029 254.7)
-
Step 200
200
#C1DCFD
oklch(88.5% 0.054 253.6)
-
Step 300
300
#94C4FE
oklch(80.8% 0.097 253.6)
-
Step 400
400
#54A3FE
oklch(70.7% 0.155 253.6)
-
Step 500
500 (this color)
#0289FD
oklch(63.3% 0.198 253.6)
-
Step 600
600
#0072D5
oklch(55.5% 0.175 253.6)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E95
oklch(42.6% 0.134 253.6)
-
Step 900
900
#00417E
oklch(37.7% 0.118 253.6)
-
Step 950
950
#02264D
oklch(27% 0.082 254)
#0289FD with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4794FF | 0.045 |
| Deuteranopia (no green cones) | #0080FB | 0.023 |
| Tritanopia (no blue cones) | #00A5B7 | 0.145 |
| Achromatopsia (no color) | #898989 | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0289FD
#0289FD
oklch(63.3% 0.198 253.6)
- #BA7B00
#BA7B00
oklch(63.3% 0.134 73.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0289FD, closest first.
No curated palette has a color within ΔE 0.04 of #0289FD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.021
- Clear Blue #247AFD ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.050
- Chefchaouen Blue #4895EF ΔE 0.053
- Soft Blue #6488EA ΔE 0.063
- Cerulean Blue #056EEE ΔE 0.071
- Cornflower #6A79F7 ΔE 0.071
- Cornflower Blue #6495ED ΔE 0.074
Use #0289FD in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.