#23606B
Closest named color: Petrol (#005F6A). oklch(45.5% 0.064 211.5), rgb(35, 96, 107).
Aa
White text reads best on this color (7.10:1).
About this color
#23606B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.064 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.017 away. White text reads best on it, at 7.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #23606B |
| RGB | rgb(35, 96, 107) |
| HSL | hsl(189, 51%, 28%) |
| OKLCH | oklch(45.5% 0.064 211.5) |
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 #23606B | 7.10:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #23606B | 2.95:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #23606B text on white | 7.10:1 | AAA | Lc 84.4 | Fine for body text |
| #23606B text on black | 2.95:1 | Fails | Lc -17.6 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A6C8CF
oklch(81% 0.038 211.5)
-
Step 400
400
#74ABB6
oklch(70.7% 0.06 211.5)
-
Step 500
500
#4C96A4
oklch(63.1% 0.076 211.4)
-
Step 600
600
#29808F
oklch(55.6% 0.083 211.4)
-
Step 700
700
#1A6C7A
oklch(49.1% 0.077 211.9)
-
Step 800
800 (this color)
#23606B
oklch(45.5% 0.064 211.5)
-
Step 900
900
#1D4951
oklch(37.8% 0.05 211.2)
-
Step 950
950
#122B2F
oklch(27.1% 0.032 209)
#23606B 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) | #575D6C | 0.059 |
| Deuteranopia (no green cones) | #4D556B | 0.054 |
| Tritanopia (no blue cones) | #006563 | 0.028 |
| Achromatopsia (no color) | #585858 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23606B
#23606B
oklch(45.5% 0.064 211.5)
- #764940
#764940
oklch(45.5% 0.064 31.9)
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 #23606B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.017
- Dark Aqua #05696B ΔE 0.030
- Dark Green Blue #1F6357 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.043
- Deep Teal #00555A ΔE 0.047
- Slate #516572 ΔE 0.055
- Deep Turquoise #017374 ΔE 0.057
- Dark Aquamarine #017371 ΔE 0.058
Use #23606B 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.