#124A64
Closest named color: Dark Grey Blue (#29465B). oklch(38.7% 0.071 233.5), rgb(18, 74, 100).
Aa
White text reads best on this color (9.59:1).
About this color
#124A64 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.071 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.023 away. White text reads best on it, at 9.59:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.18:1 |
| White text | 9.59:1 |
Values
| HEX | #124A64 |
| RGB | rgb(18, 74, 100) |
| HSL | hsl(199, 69%, 23%) |
| OKLCH | oklch(38.7% 0.071 233.5) |
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 #124A64 | 9.59:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #124A64 | 2.18:1 | Fails | Lc 12.0 | Not readable |
| #124A64 text on white | 9.59:1 | AAA | Lc 91.9 | Preferred for body text |
| #124A64 text on black | 2.18:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400
#68AACE
oklch(70.8% 0.086 233.7)
-
Step 500
500
#3794C1
oklch(63.1% 0.109 233.5)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900 (this color)
#124A64
oklch(38.7% 0.071 233.5)
-
Step 950
950
#0C2A39
oklch(27% 0.045 233.7)
#124A64 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) | #3D4965 | 0.045 |
| Deuteranopia (no green cones) | #324264 | 0.037 |
| Tritanopia (no blue cones) | #005153 | 0.043 |
| Achromatopsia (no color) | #454545 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124A64
#124A64
oklch(38.7% 0.071 233.5)
- #61391D
#61391D
oklch(38.7% 0.07 54)
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 #124A64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.023
- Charcoal #264653 ΔE 0.030
- Dark Teal #014D4E ΔE 0.044
- Deep Teal #00555A ΔE 0.045
- Twilight Blue #0A437A ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.054
Use #124A64 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.