#234756
Closest named color: Charcoal (#264653). oklch(37.8% 0.049 227.3), rgb(35, 71, 86).
Aa
White text reads best on this color (9.96:1).
About this color
#234756 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.049 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.006 away. White text reads best on it, at 9.96:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #234756 |
| RGB | rgb(35, 71, 86) |
| HSL | hsl(198, 42%, 24%) |
| OKLCH | oklch(37.8% 0.049 227.3) |
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 #234756 | 9.96:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #234756 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #234756 text on white | 9.96:1 | AAA | Lc 93.0 | Preferred for body text |
| #234756 text on black | 2.10:1 | Fails | Lc -9.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A9C6D3
oklch(80.9% 0.036 226.7)
-
Step 400
400
#7AA8BD
oklch(70.6% 0.058 227.9)
-
Step 500
500
#5593AD
oklch(63.2% 0.075 227)
-
Step 600
600
#387D98
oklch(55.7% 0.081 226.7)
-
Step 700
700
#296982
oklch(49.1% 0.076 227.3)
-
Step 800
800
#24566A
oklch(42.8% 0.063 227.3)
-
Step 900
900 (this color)
#234756
oklch(37.8% 0.049 227.3)
-
Step 950
950
#152A32
oklch(27.1% 0.031 224.6)
#234756 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) | #3F4657 | 0.036 |
| Deuteranopia (no green cones) | #384056 | 0.033 |
| Tritanopia (no blue cones) | #004B4C | 0.034 |
| Achromatopsia (no color) | #434343 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234756
#234756
oklch(37.8% 0.049 227.3)
- #573A2B
#573A2B
oklch(37.8% 0.048 48.2)
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 #234756, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.006
- Dark Grey Blue #29465B ΔE 0.012
- Dark Teal #014D4E ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.043
- Deep Teal #00555A ΔE 0.046
- Onyx #343A40 ΔE 0.049
Use #234756 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.