#04679B
Closest named color: Peacock Blue (#016795). oklch(49.2% 0.114 241.4), rgb(4, 103, 155).
Aa
White text reads best on this color (6.14:1).
About this color
#04679B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.114 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.010 away. White text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #04679B |
| RGB | rgb(4, 103, 155) |
| HSL | hsl(201, 95%, 31%) |
| OKLCH | oklch(49.2% 0.114 241.4) |
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 #04679B | 6.14:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #04679B | 3.41:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #04679B text on white | 6.14:1 | AA | Lc 80.1 | Fine for body text |
| #04679B text on black | 3.41:1 | AA large text | Lc -21.7 | 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
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A2C6E2
oklch(81% 0.055 241.8)
-
Step 400
400
#6DA8D3
oklch(70.8% 0.088 241.2)
-
Step 500
500
#4191C7
oklch(63.1% 0.113 241.3)
-
Step 600
600
#187AB4
oklch(55.5% 0.123 241.7)
-
Step 700
700 (this color)
#04679B
oklch(49.2% 0.114 241.4)
-
Step 800
800
#0D547E
oklch(42.7% 0.095 241.8)
-
Step 900
900
#164665
oklch(37.8% 0.073 241.2)
-
Step 950
950
#0F293B
oklch(27% 0.046 241.6)
#04679B 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) | #4E689D | 0.054 |
| Deuteranopia (no green cones) | #3A5C9A | 0.041 |
| Tritanopia (no blue cones) | #00747A | 0.076 |
| Achromatopsia (no color) | #626262 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04679B
#04679B
oklch(49.2% 0.114 241.4)
- #8E4F00
#8E4F00
oklch(49.2% 0.114 61.3)
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 #04679B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.010
- Ocean Blue #03719C ΔE 0.030
- Denim #3B638C ΔE 0.037
- Sea Blue #047495 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.043
- Mid Blue #276AB3 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.044
- Muted Blue #3B719F ΔE 0.047
Use #04679B 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.