#12446C
Closest named color: Twilight Blue (#0A437A). oklch(37.6% 0.086 247.3), rgb(18, 68, 108).
Aa
White text reads best on this color (10.14:1).
About this color
#12446C is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.086 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.025 away. White text reads best on it, at 10.14:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.06:1 |
| White text | 10.14:1 |
Values
| HEX | #12446C |
| RGB | rgb(18, 68, 108) |
| HSL | hsl(207, 71%, 25%) |
| OKLCH | oklch(37.6% 0.086 247.3) |
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 #12446C | 10.14:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #12446C | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #12446C text on white | 10.14:1 | AAA | Lc 93.2 | Preferred for body text |
| #12446C text on black | 2.06:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#A0C5E9
oklch(80.9% 0.065 247.9)
-
Step 400
400
#6AA6DE
oklch(70.7% 0.104 247.9)
-
Step 500
500
#3C8FD4
oklch(63.1% 0.131 247)
-
Step 600
600
#0C78C2
oklch(55.7% 0.143 247.2)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#055287
oklch(42.7% 0.11 247.1)
-
Step 900
900 (this color)
#12446C
oklch(37.6% 0.086 247.3)
-
Step 950
950
#0D283F
oklch(26.9% 0.054 247.3)
#12446C 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) | #31466E | 0.032 |
| Deuteranopia (no green cones) | #243E6B | 0.022 |
| Tritanopia (no blue cones) | #004E53 | 0.062 |
| Achromatopsia (no color) | #414141 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12446C
#12446C
oklch(37.6% 0.086 247.3)
- #5E3700
#5E3700
oklch(37.6% 0.083 67)
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 #12446C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.037
- Marine Blue #01386A ΔE 0.040
- Charcoal #264653 ΔE 0.048
- Light Navy #155084 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.055
- Deep Sea Blue #015482 ΔE 0.055
Use #12446C 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.