#0490FC
Closest named color: Dodger Blue (#1E90FF). oklch(64.8% 0.189 251.4), rgb(4, 144, 252).
Aa
Black text reads best on this color (6.40:1).
About this color
#0490FC is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.189 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.008 away. Black text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.40:1 |
| White text | 3.28:1 |
Values
| HEX | #0490FC |
| RGB | rgb(4, 144, 252) |
| HSL | hsl(206, 98%, 50%) |
| OKLCH | oklch(64.8% 0.189 251.4) |
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 #0490FC | 3.28:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #0490FC | 6.40:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #0490FC text on white | 3.28:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #0490FC text on black | 6.40:1 | AA | Lc -42.3 | 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
#DDECFC
oklch(93.7% 0.027 249.9)
-
Step 200
200
#C1DCFB
oklch(88.5% 0.052 252)
-
Step 300
300
#94C5FB
oklch(80.9% 0.093 251.4)
-
Step 400
400
#53A5F9
oklch(70.8% 0.147 251.1)
-
Step 500
500 (this color)
#0490FC
oklch(64.8% 0.189 251.4)
-
Step 600
600
#0075CE
oklch(55.7% 0.162 251.1)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005090
oklch(42.7% 0.125 251.1)
-
Step 900
900
#00427A
oklch(37.7% 0.112 251.7)
-
Step 950
950
#01274B
oklch(27% 0.078 251.6)
#0490FC 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) | #5798FF | 0.050 |
| Deuteranopia (no green cones) | #2585FA | 0.028 |
| Tritanopia (no blue cones) | #00AABA | 0.137 |
| Achromatopsia (no color) | #8E8E8E | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0490FC
#0490FC
oklch(64.8% 0.189 251.4)
- #C27E00
#C27E00
oklch(64.8% 0.139 71.7)
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 #0490FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.008
- Chefchaouen Blue #4895EF ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.041
- Clear Blue #247AFD ΔE 0.055
- Soft Blue #6488EA ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.062
- Water Blue #0E87CC ΔE 0.073
- Cornflower #6A79F7 ΔE 0.078
Use #0490FC 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.