#23526B
Closest named color: Deep Sea Blue (#015482). oklch(41.8% 0.066 234.7), rgb(35, 82, 107).
Aa
White text reads best on this color (8.43:1).
About this color
#23526B is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.066 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.039 away. White text reads best on it, at 8.43:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.49:1 |
| White text | 8.43:1 |
Values
| HEX | #23526B |
| RGB | rgb(35, 82, 107) |
| HSL | hsl(201, 51%, 28%) |
| OKLCH | oklch(41.8% 0.066 234.7) |
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 #23526B | 8.43:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #23526B | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #23526B text on white | 8.43:1 | AAA | Lc 88.9 | Fine for body text |
| #23526B text on black | 2.49:1 | Fails | Lc -13.3 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A9C5D6
oklch(80.8% 0.039 234.6)
-
Step 400
400
#7BA7C2
oklch(70.6% 0.062 235.7)
-
Step 500
500
#5791B2
oklch(63% 0.079 234.9)
-
Step 600
600
#3A7B9E
oklch(55.5% 0.086 234.8)
-
Step 700
700
#2C6887
oklch(49.2% 0.079 234.2)
-
Step 800
800 (this color)
#23526B
oklch(41.8% 0.066 234.7)
-
Step 900
900
#244659
oklch(37.7% 0.051 234.9)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#23526B 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) | #46516C | 0.041 |
| Deuteranopia (no green cones) | #3C4A6B | 0.035 |
| Tritanopia (no blue cones) | #00595A | 0.046 |
| Achromatopsia (no color) | #4D4D4D | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23526B
#23526B
oklch(41.8% 0.066 234.7)
- #684228
#684228
oklch(41.7% 0.066 54.3)
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 #23526B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.039
- Deep Teal #00555A ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.040
- Petrol #005F6A ΔE 0.043
- Light Navy #155084 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.046
- YInMn Blue #415A77 ΔE 0.047
- Charcoal #264653 ΔE 0.048
Use #23526B 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.