#23476F
Closest named color: Twilight Blue (#0A437A). oklch(39.2% 0.08 252.7), rgb(35, 71, 111).
Aa
White text reads best on this color (9.53:1).
About this color
#23476F is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.080 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.030 away. White text reads best on it, at 9.53:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #23476F |
| RGB | rgb(35, 71, 111) |
| HSL | hsl(212, 52%, 29%) |
| OKLCH | oklch(39.2% 0.08 252.7) |
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 #23476F | 9.53:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #23476F | 2.20:1 | Fails | Lc 12.1 | Not readable |
| #23476F text on white | 9.53:1 | AAA | Lc 91.9 | Preferred for body text |
| #23476F text on black | 2.20:1 | Fails | Lc -10.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CADBEF
oklch(88.5% 0.033 252.5)
-
Step 300
300
#A6C4E7
oklch(81% 0.059 252.5)
-
Step 400
400
#75A4DB
oklch(70.7% 0.096 253)
-
Step 500
500
#4F8CD1
oklch(63% 0.123 252.9)
-
Step 600
600
#3175BF
oklch(55.6% 0.134 253)
-
Step 700
700
#2362A4
oklch(49.1% 0.123 252.7)
-
Step 800
800
#1F5085
oklch(42.6% 0.103 252.9)
-
Step 900
900 (this color)
#23476F
oklch(39.2% 0.08 252.7)
-
Step 950
950
#13273E
oklch(26.8% 0.05 253.1)
#23476F 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) | #364971 | 0.024 |
| Deuteranopia (no green cones) | #2B426E | 0.016 |
| Tritanopia (no blue cones) | #005056 | 0.062 |
| Achromatopsia (no color) | #454545 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23476F
#23476F
oklch(39.2% 0.08 252.7)
- #5F3D06
#5F3D06
oklch(39% 0.08 72.2)
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 #23476F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.034
- Light Navy #155084 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.045
- Charcoal #264653 ΔE 0.048
- Cobalt #1E488F ΔE 0.054
- Marine Blue #01386A ΔE 0.056
- Dusk Blue #26538D ΔE 0.057
Use #23476F 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.