#124356
Closest named color: Charcoal (#264653). oklch(36% 0.06 228.2), rgb(18, 67, 86).
Aa
White text reads best on this color (10.69:1).
About this color
#124356 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.060 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.023 away. White text reads best on it, at 10.69:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.96:1 |
| White text | 10.69:1 |
Values
| HEX | #124356 |
| RGB | rgb(18, 67, 86) |
| HSL | hsl(197, 65%, 20%) |
| OKLCH | oklch(36% 0.06 228.2) |
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 #124356 | 10.69:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #124356 | 1.96:1 | Fails | Lc 9.4 | Not readable |
| #124356 text on white | 10.69:1 | AAA | Lc 94.5 | Preferred for body text |
| #124356 text on black | 1.96:1 | Fails | Lc -8.0 | 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
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D8
oklch(80.9% 0.045 228.2)
-
Step 400
400
#6FAAC4
oklch(70.7% 0.072 227.6)
-
Step 500
500
#4494B6
oklch(63.1% 0.093 228.8)
-
Step 600
600
#1C7EA1
oklch(55.6% 0.1 227.9)
-
Step 700
700
#096A8A
oklch(49% 0.093 228.2)
-
Step 800
800
#105770
oklch(42.8% 0.077 227.6)
-
Step 900
900 (this color)
#124356
oklch(36% 0.06 228.2)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#124356 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) | #394257 | 0.043 |
| Deuteranopia (no green cones) | #303B56 | 0.038 |
| Tritanopia (no blue cones) | #004849 | 0.034 |
| Achromatopsia (no color) | #3E3E3E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124356
#124356
oklch(36% 0.06 228.2)
- #573320
#573320
oklch(36.1% 0.06 48)
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 #124356, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.023
- Dark Grey Blue #29465B ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.027
- Midnight Green #073B4C ΔE 0.031
- Dark Teal #014D4E ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.046
- Onyx #343A40 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.055
Use #124356 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.