#0470A1
Closest named color: Ocean Blue (#03719C). oklch(51.7% 0.113 237.8), rgb(4, 112, 161).
Aa
White text reads best on this color (5.47:1).
About this color
#0470A1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.113 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.009 away. White text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #0470A1 |
| RGB | rgb(4, 112, 161) |
| HSL | hsl(199, 95%, 32%) |
| OKLCH | oklch(51.7% 0.113 237.8) |
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 #0470A1 | 5.47:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #0470A1 | 3.83:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #0470A1 text on white | 5.47:1 | AA | Lc 76.7 | Fine for body text |
| #0470A1 text on black | 3.83:1 | AA large text | Lc -25.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C7DDEB
oklch(88.6% 0.03 235.7)
-
Step 300
300
#A0C6E0
oklch(80.8% 0.055 238.3)
-
Step 400
400
#6AA9D1
oklch(70.8% 0.088 237.6)
-
Step 500
500
#3B92C5
oklch(63% 0.113 238.2)
-
Step 600
600
#057CB1
oklch(55.6% 0.121 237.5)
-
Step 700
700 (this color)
#0470A1
oklch(51.7% 0.113 237.8)
-
Step 800
800
#02557C
oklch(42.7% 0.094 238.1)
-
Step 900
900
#124764
oklch(37.9% 0.073 237.7)
-
Step 950
950
#0D293A
oklch(26.9% 0.046 238.6)
#0470A1 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) | #5870A3 | 0.061 |
| Deuteranopia (no green cones) | #4464A0 | 0.048 |
| Tritanopia (no blue cones) | #007D81 | 0.074 |
| Achromatopsia (no color) | #696969 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0470A1
#0470A1
oklch(51.7% 0.113 237.8)
- #975517
#975517
oklch(51.7% 0.113 58)
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 #0470A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.009
- Sea Blue #047495 ΔE 0.025
- Muted Blue #3B719F ΔE 0.030
- Peacock Blue #016795 ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.035
- Nice Blue #107AB0 ΔE 0.035
- Mid Blue #276AB3 ΔE 0.039
- French Blue #436BAD ΔE 0.045
Use #0470A1 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.