#124159
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.6% 0.065 235.3), rgb(18, 65, 89).
Aa
White text reads best on this color (10.90:1).
About this color
#124159 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.065 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.025 away. White text reads best on it, at 10.90:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #124159 |
| RGB | rgb(18, 65, 89) |
| HSL | hsl(200, 66%, 21%) |
| OKLCH | oklch(35.6% 0.065 235.3) |
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 #124159 | 10.90:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #124159 | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #124159 text on white | 10.90:1 | AAA | Lc 95.0 | Preferred for body text |
| #124159 text on black | 1.92:1 | Fails | Lc -7.6 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DCE9
oklch(88.4% 0.027 237.6)
-
Step 300
300
#A3C6DC
oklch(80.8% 0.049 235.8)
-
Step 400
400
#70A9CA
oklch(70.8% 0.077 234.8)
-
Step 500
500
#4593BD
oklch(63.2% 0.099 234.9)
-
Step 600
600
#1F7CA9
oklch(55.5% 0.108 235.4)
-
Step 700
700
#0F6991
oklch(49.2% 0.099 234.9)
-
Step 800
800
#125576
oklch(42.6% 0.083 235.9)
-
Step 900
900 (this color)
#124159
oklch(35.6% 0.065 235.3)
-
Step 950
950
#102938
oklch(26.9% 0.042 237.4)
#124159 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) | #35415A | 0.038 |
| Deuteranopia (no green cones) | #2C3A59 | 0.032 |
| Tritanopia (no blue cones) | #004749 | 0.041 |
| Achromatopsia (no color) | #3D3D3D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124159
#124159
oklch(35.6% 0.065 235.3)
- #563218
#563218
oklch(35.6% 0.065 54.7)
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 #124159, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.029
- Midnight Green #073B4C ΔE 0.029
- Charcoal #264653 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.038
- Marine Blue #01386A ΔE 0.047
- Dark Teal #014D4E ΔE 0.050
- Onyx #343A40 ΔE 0.053
Use #124159 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.