#234D60
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.057 229.9), rgb(35, 77, 96).
Aa
White text reads best on this color (9.12:1).
About this color
#234D60 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.022 away. White text reads best on it, at 9.12:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #234D60 |
| RGB | rgb(35, 77, 96) |
| HSL | hsl(199, 47%, 26%) |
| OKLCH | oklch(39.9% 0.057 229.9) |
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 #234D60 | 9.12:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #234D60 | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #234D60 text on white | 9.12:1 | AAA | Lc 90.8 | Preferred for body text |
| #234D60 text on black | 2.30:1 | Fails | Lc -11.5 | 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
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A5C6D7
oklch(80.8% 0.043 230.3)
-
Step 400
400
#74A9C3
oklch(70.7% 0.068 230.1)
-
Step 500
500
#4C93B4
oklch(63.1% 0.087 230.4)
-
Step 600
600
#2A7DA0
oklch(55.6% 0.095 230.2)
-
Step 700
700
#1B6989
oklch(49% 0.088 230.6)
-
Step 800
800
#1A566F
oklch(42.7% 0.073 230)
-
Step 900
900 (this color)
#234D60
oklch(39.9% 0.057 229.9)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#234D60 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) | #434C61 | 0.039 |
| Deuteranopia (no green cones) | #3B4560 | 0.036 |
| Tritanopia (no blue cones) | #005253 | 0.038 |
| Achromatopsia (no color) | #484848 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #234D60
#234D60
oklch(39.9% 0.057 229.9)
- #603E2B
#603E2B
oklch(39.8% 0.057 49.7)
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 #234D60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal #264653 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.033
- Deep Teal #00555A ΔE 0.035
- Dark Teal #014D4E ΔE 0.040
- Dark Blue Green #005249 ΔE 0.053
- Petrol #005F6A ΔE 0.055
- Deep Sea Blue #015482 ΔE 0.057
Use #234D60 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.