#00294F
Closest named color: Marine (#042E60). oklch(27.9% 0.082 251.4), rgb(0, 41, 79).
Aa
White text reads best on this color (14.68:1).
About this color
#00294F is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.082 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.034 away. White text reads best on it, at 14.68:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.43:1 |
| White text | 14.68:1 |
Values
| HEX | #00294F |
| RGB | rgb(0, 41, 79) |
| HSL | hsl(209, 100%, 15%) |
| OKLCH | oklch(27.9% 0.082 251.4) |
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 #00294F | 14.68:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #00294F | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #00294F text on white | 14.68:1 | AAA | Lc 101.1 | Preferred for body text |
| #00294F text on black | 1.43:1 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DDECFD
oklch(93.7% 0.028 251.5)
-
Step 200
200
#C0DCFC
oklch(88.4% 0.053 251.9)
-
Step 300
300
#92C5FE
oklch(80.9% 0.097 251.8)
-
Step 400
400
#4DA4FD
oklch(70.6% 0.155 251.4)
-
Step 500
500
#008BF4
oklch(63.1% 0.185 251.3)
-
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)
#00294F
oklch(27.9% 0.082 251.4)
#00294F 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) | #152C50 | 0.022 |
| Deuteranopia (no green cones) | #04254E | 0.012 |
| Tritanopia (no blue cones) | #003238 | 0.059 |
| Achromatopsia (no color) | #282828 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00294F
#00294F
oklch(27.9% 0.082 251.4)
- #3B2300
#3B2300
oklch(28% 0.06 71.5)
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 #00294F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.058
- Dark #1B2431 ΔE 0.058
- Midnight Green #073B4C ΔE 0.064
- Marine Blue #01386A ΔE 0.064
- Gunmetal #293241 ΔE 0.064
Use #00294F 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.