#023955
Closest named color: Midnight Green (#073B4C). oklch(32.8% 0.072 238.4), rgb(2, 57, 85).
Aa
White text reads best on this color (12.21:1).
About this color
#023955 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.072 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.019 away. White text reads best on it, at 12.21:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.71:1 |
| White text | 12.21:1 |
Values
| HEX | #023955 |
| RGB | rgb(2, 57, 85) |
| HSL | hsl(200, 95%, 17%) |
| OKLCH | oklch(32.8% 0.072 238.4) |
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 #023955 | 12.21:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #023955 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #023955 text on white | 12.21:1 | AAA | Lc 97.4 | Preferred for body text |
| #023955 text on black | 1.71:1 | 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 900.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEB
oklch(88.4% 0.03 240.2)
-
Step 300
300
#A1C6E0
oklch(80.8% 0.054 239)
-
Step 400
400
#6CA8D0
oklch(70.6% 0.086 238.8)
-
Step 500
500
#3F92C4
oklch(63.1% 0.11 238.5)
-
Step 600
600
#117CB1
oklch(55.7% 0.119 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#08557B
oklch(42.7% 0.092 238.2)
-
Step 900
900 (this color)
#023955
oklch(32.8% 0.072 238.4)
-
Step 950
950
#0E293A
oklch(26.9% 0.046 239.3)
#023955 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) | #2B3956 | 0.038 |
| Deuteranopia (no green cones) | #203255 | 0.030 |
| Tritanopia (no blue cones) | #004043 | 0.046 |
| Achromatopsia (no color) | #353535 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #023955
#023955
oklch(32.8% 0.072 238.4)
- #4F2A07
#4F2A07
oklch(32.7% 0.071 58.4)
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 #023955, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.019
- Prussian Blue #1D3557 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.027
- Marine Blue #01386A ΔE 0.038
- Marine #042E60 ΔE 0.043
- Gunmetal #293241 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.055
- Charcoal #264653 ΔE 0.057
Use #023955 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.