#02334E
Closest named color: Midnight Green (#073B4C). oklch(30.6% 0.068 239.9), rgb(2, 51, 78).
Aa
White text reads best on this color (13.23:1).
About this color
#02334E is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.068 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.029 away. White text reads best on it, at 13.23:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #02334E |
| RGB | rgb(2, 51, 78) |
| HSL | hsl(201, 95%, 16%) |
| OKLCH | oklch(30.6% 0.068 239.9) |
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 #02334E | 13.23:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #02334E | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #02334E text on white | 13.23:1 | AAA | Lc 99.2 | Preferred for body text |
| #02334E text on black | 1.58:1 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DCECF8
oklch(93.5% 0.024 240.1)
-
Step 200
200
#BFDEF4
oklch(88.5% 0.045 238.9)
-
Step 300
300
#90C8F0
oklch(80.8% 0.081 240.1)
-
Step 400
400
#47AAE9
oklch(70.7% 0.13 240.3)
-
Step 500
500
#0093D7
oklch(63.2% 0.144 239.7)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950 (this color)
#02334E
oklch(30.6% 0.068 239.9)
#02334E 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) | #26334F | 0.034 |
| Deuteranopia (no green cones) | #1C2D4E | 0.027 |
| Tritanopia (no blue cones) | #003A3D | 0.045 |
| Achromatopsia (no color) | #303030 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02334E
#02334E
oklch(30.6% 0.068 239.9)
- #482603
#482603
oklch(30.7% 0.069 60.5)
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 #02334E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.030
- Marine #042E60 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.039
- Gunmetal #293241 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.050
- Marine Blue #01386A ΔE 0.050
Use #02334E 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.