#124158
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.6% 0.063 234.2), rgb(18, 65, 88).
Aa
White text reads best on this color (10.92:1).
About this color
#124158 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.063 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.024 away. White text reads best on it, at 10.92:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.92:1 |
| White text | 10.92:1 |
Values
| HEX | #124158 |
| RGB | rgb(18, 65, 88) |
| HSL | hsl(200, 66%, 21%) |
| OKLCH | oklch(35.6% 0.063 234.2) |
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 #124158 | 10.92:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #124158 | 1.92:1 | Fails | Lc 8.9 | Not readable |
| #124158 text on white | 10.92:1 | AAA | Lc 95.0 | Preferred for body text |
| #124158 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
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A3C6DB
oklch(80.8% 0.048 234.5)
-
Step 400
400
#70A9C9
oklch(70.7% 0.076 233.9)
-
Step 500
500
#4693BB
oklch(63.1% 0.097 233.9)
-
Step 600
600
#207DA8
oklch(55.7% 0.106 234)
-
Step 700
700
#0F6990
oklch(49.2% 0.098 234.2)
-
Step 800
800
#135675
oklch(42.8% 0.081 234.1)
-
Step 900
900 (this color)
#124158
oklch(35.6% 0.063 234.2)
-
Step 950
950
#102A37
oklch(27.1% 0.04 232.6)
#124158 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) | #364059 | 0.040 |
| Deuteranopia (no green cones) | #2C3A58 | 0.033 |
| Tritanopia (no blue cones) | #004749 | 0.039 |
| Achromatopsia (no color) | #3D3D3D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124158
#124158
oklch(35.6% 0.063 234.2)
- #553219
#553219
oklch(35.5% 0.063 54.6)
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 #124158, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.024
- Midnight Green #073B4C ΔE 0.028
- Charcoal #264653 ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.039
- Marine Blue #01386A ΔE 0.049
- Dark Teal #014D4E ΔE 0.049
- Onyx #343A40 ΔE 0.052
Use #124158 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.