#233644
Closest named color: Gunmetal (#293241). oklch(32.3% 0.035 241.1), rgb(35, 54, 68).
Aa
White text reads best on this color (12.48:1).
About this color
#233644 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.035 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.014 away. White text reads best on it, at 12.48:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.68:1 |
| White text | 12.48:1 |
Values
| HEX | #233644 |
| RGB | rgb(35, 54, 68) |
| HSL | hsl(205, 32%, 20%) |
| OKLCH | oklch(32.3% 0.035 241.1) |
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 #233644 | 12.48:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #233644 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #233644 text on white | 12.48:1 | AAA | Lc 98.3 | Preferred for body text |
| #233644 text on black | 1.68:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDBE7
oklch(88.4% 0.023 241.9)
-
Step 300
300
#AAC5D9
oklch(81% 0.041 240.1)
-
Step 400
400
#7BA6C7
oklch(70.6% 0.067 241.9)
-
Step 500
500
#5890B8
oklch(63.1% 0.085 241)
-
Step 600
600
#3C7AA4
oklch(55.7% 0.092 240.7)
-
Step 700
700
#2D668D
oklch(49% 0.086 241.5)
-
Step 800
800
#275472
oklch(42.8% 0.07 240.4)
-
Step 900
900
#24455C
oklch(37.6% 0.055 240.8)
-
Step 950
950 (this color)
#233644
oklch(32.3% 0.035 241.1)
#233644 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) | #303645 | 0.019 |
| Deuteranopia (no green cones) | #2C3244 | 0.018 |
| Tritanopia (no blue cones) | #16393B | 0.027 |
| Achromatopsia (no color) | #343434 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #233644
#233644
oklch(32.3% 0.035 241.1)
- #413021
#413021
oklch(32.4% 0.035 62.5)
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 #233644, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.014
- Dark Blue Grey #1F3B4D ΔE 0.020
- Midnight Green #073B4C ΔE 0.027
- Space Cadet #2B2D42 ΔE 0.030
- Onyx #343A40 ΔE 0.031
- Prussian Blue #1D3557 ΔE 0.036
- Charcoal #264653 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.056
Use #233644 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.