#124A6B
Closest named color: Dark Grey Blue (#29465B). oklch(39.1% 0.079 239.9), rgb(18, 74, 107).
Aa
White text reads best on this color (9.46:1).
About this color
#124A6B is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.46:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #124A6B |
| RGB | rgb(18, 74, 107) |
| HSL | hsl(202, 71%, 25%) |
| OKLCH | oklch(39.1% 0.079 239.9) |
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 #124A6B | 9.46:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #124A6B | 2.21:1 | Fails | Lc 12.4 | Not readable |
| #124A6B text on white | 9.46:1 | AAA | Lc 91.6 | Preferred for body text |
| #124A6B text on black | 2.21:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9EC6E4
oklch(80.8% 0.06 240.9)
-
Step 400
400
#66A9D6
oklch(70.8% 0.095 239.4)
-
Step 500
500
#3592CB
oklch(63.1% 0.121 240)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900 (this color)
#124A6B
oklch(39.1% 0.079 239.9)
-
Step 950
950
#0B293C
oklch(26.9% 0.05 240.3)
#124A6B 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) | #3A4A6C | 0.040 |
| Deuteranopia (no green cones) | #2E426A | 0.032 |
| Tritanopia (no blue cones) | #005256 | 0.051 |
| Achromatopsia (no color) | #464646 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124A6B
#124A6B
oklch(39.1% 0.079 239.9)
- #643A12
#643A12
oklch(39.2% 0.079 60)
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 #124A6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.031
- Twilight Blue #0A437A ΔE 0.037
- Charcoal #264653 ΔE 0.041
- Light Navy #155084 ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.044
- Deep Teal #00555A ΔE 0.053
- Dark Teal #014D4E ΔE 0.056
- Marine Blue #01386A ΔE 0.059
Use #124A6B 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.