#2989EE
Closest named color: Dark Sky Blue (#448EE4). oklch(62.8% 0.175 253.6), rgb(41, 137, 238).
Aa
Black text reads best on this color (5.90:1).
About this color
#2989EE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.175 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.029 away. Black text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #2989EE |
| RGB | rgb(41, 137, 238) |
| HSL | hsl(211, 85%, 55%) |
| OKLCH | oklch(62.8% 0.175 253.6) |
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 #2989EE | 3.55:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #2989EE | 5.90:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #2989EE text on white | 3.55:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #2989EE text on black | 5.90:1 | AA | Lc -39.1 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DCF9
oklch(88.6% 0.048 253.2)
-
Step 300
300
#9AC4F7
oklch(80.9% 0.085 253.6)
-
Step 400
400
#60A4F3
oklch(70.8% 0.136 253.4)
-
Step 500
500 (this color)
#2989EE
oklch(62.8% 0.175 253.6)
-
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
#05417C
oklch(37.7% 0.115 253.8)
-
Step 950
950
#082748
oklch(27.1% 0.071 253.2)
#2989EE 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) | #5591F2 | 0.042 |
| Deuteranopia (no green cones) | #2F80EC | 0.023 |
| Tritanopia (no blue cones) | #00A1B0 | 0.130 |
| Achromatopsia (no color) | #888888 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2989EE
#2989EE
oklch(62.8% 0.175 253.6)
- #B87A00
#B87A00
oklch(62.8% 0.133 73.7)
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 #2989EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.029
- Dodger Blue #1E90FF ΔE 0.029
- Chefchaouen Blue #4895EF ΔE 0.041
- Clear Blue #247AFD ΔE 0.047
- Soft Blue #6488EA ΔE 0.048
- Water Blue #0E87CC ΔE 0.054
- Cornflower Blue #6495ED ΔE 0.061
- Cornflower #6A79F7 ΔE 0.067
Use #2989EE 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.