#124358
Closest named color: Charcoal (#264653). oklch(36.1% 0.062 230.8), rgb(18, 67, 88).
Aa
White text reads best on this color (10.66:1).
About this color
#124358 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.062 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.024 away. White text reads best on it, at 10.66:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.96:1 |
| White text | 10.66:1 |
Values
| HEX | #124358 |
| RGB | rgb(18, 67, 88) |
| HSL | hsl(198, 66%, 21%) |
| OKLCH | oklch(36.1% 0.062 230.8) |
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 #124358 | 10.66:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #124358 | 1.96:1 | Fails | Lc 9.5 | Not readable |
| #124358 text on white | 10.66:1 | AAA | Lc 94.5 | Preferred for body text |
| #124358 text on black | 1.96:1 | Fails | Lc -8.1 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7DA
oklch(81% 0.047 231.1)
-
Step 400
400
#6FAAC7
oklch(70.8% 0.075 230.5)
-
Step 500
500
#4394B9
oklch(63.2% 0.096 230.7)
-
Step 600
600
#1B7DA5
oklch(55.5% 0.104 231.5)
-
Step 700
700
#086A8D
oklch(49.2% 0.096 230.5)
-
Step 800
800
#0F5673
oklch(42.6% 0.081 231.6)
-
Step 900
900 (this color)
#124358
oklch(36.1% 0.062 230.8)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#124358 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) | #384259 | 0.042 |
| Deuteranopia (no green cones) | #2F3B58 | 0.037 |
| Tritanopia (no blue cones) | #00494A | 0.038 |
| Achromatopsia (no color) | #3E3E3E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124358
#124358
oklch(36.1% 0.062 230.8)
- #57331D
#57331D
oklch(36% 0.062 51.1)
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 #124358, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.028
- Midnight Green #073B4C ΔE 0.033
- Dark Teal #014D4E ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.045
- Onyx #343A40 ΔE 0.052
- Marine Blue #01386A ΔE 0.054
Use #124358 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.