#23334F
Closest named color: Prussian Blue (#1D3557). oklch(32.1% 0.055 261.1), rgb(35, 51, 79).
Aa
White text reads best on this color (12.66:1).
About this color
#23334F is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.055 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.015 away. White text reads best on it, at 12.66:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #23334F |
| RGB | rgb(35, 51, 79) |
| HSL | hsl(218, 39%, 22%) |
| OKLCH | oklch(32.1% 0.055 261.1) |
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 #23334F | 12.66:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #23334F | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #23334F text on white | 12.66:1 | AAA | Lc 98.6 | Preferred for body text |
| #23334F 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
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300
#A9C2EB
oklch(80.9% 0.064 260.3)
-
Step 400
400
#7CA1E1
oklch(70.7% 0.103 261)
-
Step 500
500
#5A88D9
oklch(63.1% 0.133 261)
-
Step 600
600
#4070C6
oklch(55.5% 0.144 261.1)
-
Step 700
700
#325EAB
oklch(49.2% 0.133 260.7)
-
Step 800
800
#2A4D8B
oklch(42.8% 0.111 260.9)
-
Step 900
900
#26406F
oklch(37.6% 0.087 261.3)
-
Step 950
950 (this color)
#23334F
oklch(32.1% 0.055 261.1)
#23334F 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) | #283550 | 0.010 |
| Deuteranopia (no green cones) | #23314E | 0.006 |
| Tritanopia (no blue cones) | #0F393D | 0.049 |
| Achromatopsia (no color) | #333333 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23334F
#23334F
oklch(32.1% 0.055 261.1)
- #41300E
#41300E
oklch(32.1% 0.054 81.7)
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 #23334F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.015
- Gunmetal #293241 ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.028
- Midnight Green #073B4C ΔE 0.035
- Marine #042E60 ΔE 0.047
- Onyx #343A40 ΔE 0.048
- Marine Blue #01386A ΔE 0.052
Use #23334F 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.