#23334B
Closest named color: Gunmetal (#293241). oklch(31.9% 0.048 258.3), rgb(35, 51, 75).
Aa
White text reads best on this color (12.75:1).
About this color
#23334B is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.048 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.019 away. White text reads best on it, at 12.75:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.64:1 |
| White text | 12.75:1 |
Values
| HEX | #23334B |
| RGB | rgb(35, 51, 75) |
| HSL | hsl(216, 36%, 22%) |
| OKLCH | oklch(31.9% 0.048 258.3) |
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 #23334B | 12.75:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #23334B | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #23334B text on white | 12.75:1 | AAA | Lc 98.8 | Preferred for body text |
| #23334B text on black | 1.64:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300
#AAC2E6
oklch(80.8% 0.057 258.4)
-
Step 400
400
#7DA2DA
oklch(70.7% 0.092 258.5)
-
Step 500
500
#5C8ACF
oklch(63.1% 0.116 258.3)
-
Step 600
600
#4273BC
oklch(55.6% 0.126 258.2)
-
Step 700
700
#3360A2
oklch(49.1% 0.117 258)
-
Step 800
800
#2B4F84
oklch(42.8% 0.098 258)
-
Step 900
900
#27426A
oklch(37.8% 0.076 258.1)
-
Step 950
950 (this color)
#23334B
oklch(31.9% 0.048 258.3)
#23334B 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) | #2A344C | 0.011 |
| Deuteranopia (no green cones) | #25314A | 0.007 |
| Tritanopia (no blue cones) | #12383B | 0.043 |
| Achromatopsia (no color) | #323232 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23334B
#23334B
oklch(31.9% 0.048 258.3)
- #402F14
#402F14
oklch(31.8% 0.048 77.1)
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 #23334B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.019
- Prussian Blue #1D3557 ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.026
- Midnight Green #073B4C ΔE 0.033
- Onyx #343A40 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.050
- Marine #042E60 ΔE 0.053
Use #23334B 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.