#23334E
Closest named color: Prussian Blue (#1D3557). oklch(32.1% 0.053 260.5), rgb(35, 51, 78).
Aa
White text reads best on this color (12.68:1).
About this color
#23334E is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.053 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.017 away. White text reads best on it, at 12.68:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #23334E |
| RGB | rgb(35, 51, 78) |
| HSL | hsl(218, 38%, 22%) |
| OKLCH | oklch(32.1% 0.053 260.5) |
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 #23334E | 12.68:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #23334E | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #23334E text on white | 12.68:1 | AAA | Lc 98.7 | Preferred for body text |
| #23334E text on black | 1.65:1 | 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
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200
#CCDAF1
oklch(88.5% 0.035 260.4)
-
Step 300
300
#AAC2EA
oklch(81% 0.063 260.6)
-
Step 400
400
#7CA1DF
oklch(70.6% 0.1 260.4)
-
Step 500
500
#5B89D6
oklch(63.2% 0.127 260.2)
-
Step 600
600
#4171C4
oklch(55.6% 0.139 260.6)
-
Step 700
700
#335EA9
oklch(49.1% 0.129 260.7)
-
Step 800
800
#2A4D89
oklch(42.6% 0.108 260.5)
-
Step 900
900
#26416E
oklch(37.8% 0.084 260.1)
-
Step 950
950 (this color)
#23334E
oklch(32.1% 0.053 260.5)
#23334E 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) | #29354F | 0.011 |
| Deuteranopia (no green cones) | #24314D | 0.006 |
| Tritanopia (no blue cones) | #0F393D | 0.047 |
| Achromatopsia (no color) | #333333 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23334E
#23334E
oklch(32.1% 0.053 260.5)
- #413010
#413010
oklch(32.1% 0.053 80.6)
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 #23334E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.017
- Gunmetal #293241 ΔE 0.024
- Space Cadet #2B2D42 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.027
- Midnight Green #073B4C ΔE 0.035
- Onyx #343A40 ΔE 0.047
- Marine #042E60 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.053
Use #23334E 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.