#04294C
Closest named color: Oxford Blue (#1B263B). oklch(27.8% 0.076 251.5), rgb(4, 41, 76).
Aa
White text reads best on this color (14.71:1).
About this color
#04294C is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.076 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.036 away. White text reads best on it, at 14.71:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.71:1 |
Values
| HEX | #04294C |
| RGB | rgb(4, 41, 76) |
| HSL | hsl(209, 90%, 16%) |
| OKLCH | oklch(27.8% 0.076 251.5) |
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 #04294C | 14.71:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #04294C | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #04294C text on white | 14.71:1 | AAA | Lc 101.2 | Preferred for body text |
| #04294C text on black | 1.42:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C2DCFA
oklch(88.5% 0.05 252.1)
-
Step 300
300
#96C5F9
oklch(80.9% 0.089 251.5)
-
Step 400
400
#56A5F7
oklch(70.8% 0.144 251.3)
-
Step 500
500
#078BF3
oklch(63.1% 0.183 251.4)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#00427A
oklch(37.7% 0.112 251.7)
-
Step 950
950 (this color)
#04294C
oklch(27.8% 0.076 251.5)
#04294C 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) | #172C4D | 0.021 |
| Deuteranopia (no green cones) | #0A254B | 0.013 |
| Tritanopia (no blue cones) | #003136 | 0.055 |
| Achromatopsia (no color) | #282828 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04294C
#04294C
oklch(27.8% 0.076 251.5)
- #3A2200
#3A2200
oklch(27.6% 0.06 70.9)
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 #04294C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.036
- Marine #042E60 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.051
- Dark #1B2431 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.054
- Gunmetal #293241 ΔE 0.060
- Midnight Green #073B4C ΔE 0.062
- Marine Blue #01386A ΔE 0.067
Use #04294C 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.