#0476E1
Closest named color: Cerulean Blue (#056EEE). oklch(57.3% 0.185 254.7), rgb(4, 118, 225).
Aa
Black text reads best on this color (4.68:1).
About this color
#0476E1 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.185 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.029 away. Black text reads best on it, at 4.68:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #0476E1 |
| RGB | rgb(4, 118, 225) |
| HSL | hsl(209, 97%, 45%) |
| OKLCH | oklch(57.3% 0.185 254.7) |
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 #0476E1 | 4.48:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #0476E1 | 4.68:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #0476E1 text on white | 4.48:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #0476E1 text on black | 4.68:1 | AA | Lc -31.3 | 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 600.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9CC4F6
oklch(80.9% 0.083 254.3)
-
Step 400
400
#64A3F2
oklch(70.7% 0.134 254.9)
-
Step 500
500
#348AED
oklch(63.2% 0.17 254.6)
-
Step 600
600 (this color)
#0476E1
oklch(57.3% 0.185 254.7)
-
Step 700
700
#005FB8
oklch(49.1% 0.16 254.6)
-
Step 800
800
#004D98
oklch(42.6% 0.139 254.8)
-
Step 900
900
#0D417A
oklch(37.7% 0.11 254.6)
-
Step 950
950
#0A2748
oklch(27.1% 0.07 254.2)
#0476E1 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) | #3680E5 | 0.037 |
| Deuteranopia (no green cones) | #006FDF | 0.019 |
| Tritanopia (no blue cones) | #0090A1 | 0.136 |
| Achromatopsia (no color) | #777777 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0476E1
#0476E1
oklch(57.3% 0.185 254.7)
- #A16C00
#A16C00
oklch(57.3% 0.121 75.1)
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 #0476E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.029
- Royal Blue #4169E1 ΔE 0.040
- Clear Blue #247AFD ΔE 0.045
- Windows Blue #3778BF ΔE 0.057
- Bright Blue #0165FC ΔE 0.060
- Neon Blue #4361EE ΔE 0.060
- Water Blue #0E87CC ΔE 0.061
- Azul #1D5DEC ΔE 0.063
Use #0476E1 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.