#23486F
Closest named color: Twilight Blue (#0A437A). oklch(39.4% 0.079 251.6), rgb(35, 72, 111).
Aa
White text reads best on this color (9.42:1).
About this color
#23486F is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.032 away. White text reads best on it, at 9.42:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #23486F |
| RGB | rgb(35, 72, 111) |
| HSL | hsl(211, 52%, 29%) |
| OKLCH | oklch(39.4% 0.079 251.6) |
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 #23486F | 9.42:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #23486F | 2.22:1 | Fails | Lc 12.4 | Not readable |
| #23486F text on white | 9.42:1 | AAA | Lc 91.6 | Preferred for body text |
| #23486F text on black | 2.22:1 | Fails | Lc -10.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A5C4E6
oklch(80.9% 0.059 250.9)
-
Step 400
400
#74A5DA
oklch(70.8% 0.094 251.1)
-
Step 500
500
#4E8DD0
oklch(63.1% 0.121 251.6)
-
Step 600
600
#2F76BD
oklch(55.6% 0.131 251.4)
-
Step 700
700
#2163A3
oklch(49.2% 0.122 251.3)
-
Step 800
800
#1E5184
oklch(42.8% 0.101 251.4)
-
Step 900
900 (this color)
#23486F
oklch(39.4% 0.079 251.6)
-
Step 950
950
#13283E
oklch(27.1% 0.049 251.1)
#23486F 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) | #374A71 | 0.025 |
| Deuteranopia (no green cones) | #2C436E | 0.017 |
| Tritanopia (no blue cones) | #005156 | 0.062 |
| Achromatopsia (no color) | #464646 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23486F
#23486F
oklch(39.4% 0.079 251.6)
- #603E0A
#603E0A
oklch(39.4% 0.079 71.6)
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 #23486F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.034
- Light Navy #155084 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.043
- Charcoal #264653 ΔE 0.048
- Cobalt #1E488F ΔE 0.054
- Dusk Blue #26538D ΔE 0.056
- Marine Blue #01386A ΔE 0.059
Use #23486F 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.