#124C53
Closest named color: Dark Teal (#014D4E). oklch(38.4% 0.058 206.9), rgb(18, 76, 83).
Aa
White text reads best on this color (9.61:1).
About this color
#124C53 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.058 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.013 away. White text reads best on it, at 9.61:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.18:1 |
| White text | 9.61:1 |
Values
| HEX | #124C53 |
| RGB | rgb(18, 76, 83) |
| HSL | hsl(186, 64%, 20%) |
| OKLCH | oklch(38.4% 0.058 206.9) |
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 #124C53 | 9.61:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #124C53 | 2.18:1 | Fails | Lc 12.0 | Not readable |
| #124C53 text on white | 9.61:1 | AAA | Lc 92.0 | Preferred for body text |
| #124C53 text on black | 2.18:1 | Fails | Lc -10.4 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE1
oklch(88.5% 0.024 206.6)
-
Step 300
300
#A1C9CF
oklch(80.9% 0.043 207.6)
-
Step 400
400
#6AADB7
oklch(70.7% 0.07 207.8)
-
Step 500
500
#3999A5
oklch(63.2% 0.09 206.8)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900 (this color)
#124C53
oklch(38.4% 0.058 206.9)
-
Step 950
950
#0C2B2F
oklch(26.8% 0.037 206.9)
#124C53 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) | #454953 | 0.056 |
| Deuteranopia (no green cones) | #3C4253 | 0.052 |
| Tritanopia (no blue cones) | #00504E | 0.019 |
| Achromatopsia (no color) | #454545 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124C53
#124C53
oklch(38.4% 0.058 206.9)
- #5F3732
#5F3732
oklch(38.4% 0.058 27.7)
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 #124C53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.013
- Charcoal #264653 ΔE 0.024
- Deep Teal #00555A ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Blue Green #005249 ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.055
Use #124C53 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.