#124C57
Closest named color: Dark Teal (#014D4E). oklch(38.6% 0.06 213.3), rgb(18, 76, 87).
Aa
White text reads best on this color (9.55:1).
About this color
#124C57 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.060 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.019 away. White text reads best on it, at 9.55:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #124C57 |
| RGB | rgb(18, 76, 87) |
| HSL | hsl(190, 66%, 21%) |
| OKLCH | oklch(38.6% 0.06 213.3) |
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 #124C57 | 9.55:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #124C57 | 2.19:1 | Fails | Lc 12.1 | Not readable |
| #124C57 text on white | 9.55:1 | AAA | Lc 91.8 | Preferred for body text |
| #124C57 text on black | 2.19:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#A0C9D2
oklch(80.9% 0.045 212.6)
-
Step 400
400
#69ADBC
oklch(70.8% 0.072 213.3)
-
Step 500
500
#3898AB
oklch(63.2% 0.092 213.3)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900 (this color)
#124C57
oklch(38.6% 0.06 213.3)
-
Step 950
950
#0C2B32
oklch(27% 0.038 215.2)
#124C57 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) | #444958 | 0.055 |
| Deuteranopia (no green cones) | #3A4257 | 0.049 |
| Tritanopia (no blue cones) | #00504F | 0.023 |
| Achromatopsia (no color) | #454545 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124C57
#124C57
oklch(38.6% 0.06 213.3)
- #60382F
#60382F
oklch(38.7% 0.06 33.5)
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 #124C57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.019
- Charcoal #264653 ΔE 0.022
- Deep Teal #00555A ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.032
- Dark Blue Green #005249 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.055
Use #124C57 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.