#04314A
Closest named color: Midnight Green (#073B4C). oklch(29.9% 0.064 239.5), rgb(4, 49, 74).
Aa
White text reads best on this color (13.60:1).
About this color
#04314A is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.064 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.034 away. White text reads best on it, at 13.60:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.54:1 |
| White text | 13.60:1 |
Values
| HEX | #04314A |
| RGB | rgb(4, 49, 74) |
| HSL | hsl(201, 90%, 15%) |
| OKLCH | oklch(29.9% 0.064 239.5) |
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 #04314A | 13.60:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #04314A | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #04314A text on white | 13.60:1 | AAA | Lc 99.8 | Preferred for body text |
| #04314A text on black | 1.54:1 | 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
#F0F7FC
oklch(97.2% 0.01 238.5)
-
Step 100
100
#DDECF7
oklch(93.5% 0.022 239.4)
-
Step 200
200
#C1DEF3
oklch(88.6% 0.042 239.5)
-
Step 300
300
#93C8ED
oklch(80.9% 0.076 239.3)
-
Step 400
400
#4EAAE4
oklch(70.7% 0.122 239.4)
-
Step 500
500
#0093D6
oklch(63.1% 0.143 239.3)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950 (this color)
#04314A
oklch(29.9% 0.064 239.5)
#04314A 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) | #25314B | 0.033 |
| Deuteranopia (no green cones) | #1B2B4A | 0.026 |
| Tritanopia (no blue cones) | #00373A | 0.041 |
| Achromatopsia (no color) | #2E2E2E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04314A
#04314A
oklch(29.9% 0.064 239.5)
- #442405
#442405
oklch(29.7% 0.064 59.6)
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 #04314A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.036
- Gunmetal #293241 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.042
- Marine #042E60 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.044
- Dark #1B2431 ΔE 0.056
Use #04314A 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.