#124363
Closest named color: Dark Grey Blue (#29465B). oklch(36.7% 0.075 242.1), rgb(18, 67, 99).
Aa
White text reads best on this color (10.45:1).
About this color
#124363 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.075 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 10.45:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #124363 |
| RGB | rgb(18, 67, 99) |
| HSL | hsl(204, 69%, 23%) |
| OKLCH | oklch(36.7% 0.075 242.1) |
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 #124363 | 10.45:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #124363 | 2.00:1 | Fails | Lc 10.0 | Not readable |
| #124363 text on white | 10.45:1 | AAA | Lc 94.0 | Preferred for body text |
| #124363 text on black | 2.00:1 | Fails | Lc -8.6 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A1C6E2
oklch(80.9% 0.056 241)
-
Step 400
400
#6CA8D4
oklch(70.8% 0.09 241.4)
-
Step 500
500
#4091C9
oklch(63.1% 0.115 242)
-
Step 600
600
#167AB6
oklch(55.6% 0.126 242.4)
-
Step 700
700
#01679C
oklch(49.2% 0.116 241.6)
-
Step 800
800
#0B547F
oklch(42.7% 0.097 242.1)
-
Step 900
900 (this color)
#124363
oklch(36.7% 0.075 242.1)
-
Step 950
950
#0E293C
oklch(27% 0.048 242.2)
#124363 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) | #344464 | 0.036 |
| Deuteranopia (no green cones) | #293C62 | 0.028 |
| Tritanopia (no blue cones) | #004B4E | 0.052 |
| Achromatopsia (no color) | #3F3F3F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124363
#124363
oklch(36.7% 0.075 242.1)
- #5B350D
#5B350D
oklch(36.8% 0.075 62.2)
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 #124363, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Charcoal #264653 ΔE 0.036
- Twilight Blue #0A437A ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.041
- Marine Blue #01386A ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.045
- Midnight Green #073B4C ΔE 0.046
- Dark Teal #014D4E ΔE 0.057
Use #124363 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.