#23496E
Closest named color: Dark Grey Blue (#29465B). oklch(39.6% 0.077 249.8), rgb(35, 73, 110).
Aa
White text reads best on this color (9.33:1).
About this color
#23496E is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.077 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.032 away. White text reads best on it, at 9.33:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #23496E |
| RGB | rgb(35, 73, 110) |
| HSL | hsl(210, 52%, 28%) |
| OKLCH | oklch(39.6% 0.077 249.8) |
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 #23496E | 9.33:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #23496E | 2.24:1 | Fails | Lc 12.6 | Not readable |
| #23496E text on white | 9.33:1 | AAA | Lc 91.4 | Preferred for body text |
| #23496E text on black | 2.24:1 | Fails | Lc -11.0 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A5C4E5
oklch(80.9% 0.058 250.2)
-
Step 400
400
#73A5D8
oklch(70.7% 0.092 249.7)
-
Step 500
500
#4D8ECD
oklch(63.1% 0.117 249.5)
-
Step 600
600
#2D77BA
oklch(55.6% 0.127 249.4)
-
Step 700
700
#1F63A1
oklch(49% 0.12 250.2)
-
Step 800
800
#1C5182
oklch(42.6% 0.099 249.9)
-
Step 900
900 (this color)
#23496E
oklch(39.6% 0.077 249.8)
-
Step 950
950
#12283D
oklch(27% 0.048 249)
#23496E 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) | #394B70 | 0.028 |
| Deuteranopia (no green cones) | #2F436D | 0.021 |
| Tritanopia (no blue cones) | #005256 | 0.061 |
| Achromatopsia (no color) | #474747 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23496E
#23496E
oklch(39.6% 0.077 249.8)
- #613E0F
#613E0F
oklch(39.6% 0.077 69.2)
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 #23496E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.032
- Twilight Blue #0A437A ΔE 0.036
- Light Navy #155084 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.042
- Charcoal #264653 ΔE 0.045
- Dusk Blue #26538D ΔE 0.056
- Cobalt #1E488F ΔE 0.056
- Deep Teal #00555A ΔE 0.061
Use #23496E 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.