#234E60
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.056 228), rgb(35, 78, 96).
Aa
White text reads best on this color (9.01:1).
About this color
#234E60 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.056 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 9.01:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.33:1 |
| White text | 9.01:1 |
Values
| HEX | #234E60 |
| RGB | rgb(35, 78, 96) |
| HSL | hsl(198, 47%, 26%) |
| OKLCH | oklch(40.1% 0.056 228) |
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 #234E60 | 9.01:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #234E60 | 2.33:1 | Fails | Lc 13.4 | Not readable |
| #234E60 text on white | 9.01:1 | AAA | Lc 90.5 | Preferred for body text |
| #234E60 text on black | 2.33:1 | Fails | Lc -11.8 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A5C7D6
oklch(81% 0.042 226.4)
-
Step 400
400
#73A9C2
oklch(70.6% 0.067 228.7)
-
Step 500
500
#4B94B3
oklch(63.2% 0.086 228.2)
-
Step 600
600
#287E9E
oklch(55.7% 0.093 227.3)
-
Step 700
700
#196A87
oklch(49.1% 0.087 227.4)
-
Step 800
800
#18566E
oklch(42.6% 0.073 228.4)
-
Step 900
900 (this color)
#234E60
oklch(40.1% 0.056 228)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#234E60 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) | #454D61 | 0.042 |
| Deuteranopia (no green cones) | #3C4660 | 0.037 |
| Tritanopia (no blue cones) | #005354 | 0.036 |
| Achromatopsia (no color) | #494949 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234E60
#234E60
oklch(40.1% 0.056 228)
- #613F2D
#613F2D
oklch(40.2% 0.056 48.5)
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 #234E60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Charcoal #264653 ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.032
- Deep Teal #00555A ΔE 0.032
- Dark Teal #014D4E ΔE 0.040
- Dark Blue Green #005249 ΔE 0.051
- Petrol #005F6A ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.056
Use #234E60 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.