#304952
Closest named color: Charcoal (#264653). oklch(38.9% 0.034 222.5), rgb(48, 73, 82).
Aa
White text reads best on this color (9.54:1).
About this color
#304952 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.034 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.017 away. White text reads best on it, at 9.54:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.20:1 |
| White text | 9.54:1 |
Values
| HEX | #304952 |
| RGB | rgb(48, 73, 82) |
| HSL | hsl(196, 26%, 25%) |
| OKLCH | oklch(38.9% 0.034 222.5) |
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 #304952 | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #304952 | 2.20:1 | Fails | Lc 11.9 | Not readable |
| #304952 text on white | 9.54:1 | AAA | Lc 92.0 | Preferred for body text |
| #304952 text on black | 2.20:1 | Fails | Lc -10.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CD
oklch(81% 0.026 222.7)
-
Step 400
400
#85A7B3
oklch(70.7% 0.041 221.4)
-
Step 500
500
#6691A1
oklch(63.1% 0.053 223.1)
-
Step 600
600
#4C7B8C
oklch(55.6% 0.058 223)
-
Step 700
700
#3D6877
oklch(49.2% 0.053 222.4)
-
Step 800
800
#335560
oklch(42.8% 0.043 220.5)
-
Step 900
900 (this color)
#304952
oklch(38.9% 0.034 222.5)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#304952 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) | #444853 | 0.029 |
| Deuteranopia (no green cones) | #3F4452 | 0.025 |
| Tritanopia (no blue cones) | #234C4C | 0.022 |
| Achromatopsia (no color) | #454545 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #304952
#304952
oklch(38.9% 0.034 222.5)
- #553F36
#553F36
oklch(38.9% 0.034 43.3)
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 #304952, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.017
- Dark Slate Gray #2F4F4F ΔE 0.022
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal Grey #3C4142 ΔE 0.033
- Dark Teal #014D4E ΔE 0.038
- Deep Teal #00555A ΔE 0.044
- Onyx #343A40 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.050
Use #304952 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.