#124C5D
Closest named color: Charcoal (#264653). oklch(38.9% 0.064 222), rgb(18, 76, 93).
Aa
White text reads best on this color (9.46:1).
About this color
#124C5D is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.064 and its hue 222°. 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 9.46:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #124C5D |
| RGB | rgb(18, 76, 93) |
| HSL | hsl(194, 68%, 22%) |
| OKLCH | oklch(38.9% 0.064 222) |
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 #124C5D | 9.46:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #124C5D | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #124C5D text on white | 9.46:1 | AAA | Lc 91.6 | Preferred for body text |
| #124C5D text on black | 2.21:1 | Fails | Lc -10.8 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300
#A0C8D7
oklch(80.9% 0.047 222.7)
-
Step 400
400
#68ACC3
oklch(70.8% 0.077 221.7)
-
Step 500
500
#3696B4
oklch(63% 0.098 222.6)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900 (this color)
#124C5D
oklch(38.9% 0.064 222)
-
Step 950
950
#0B2B35
oklch(27.1% 0.041 222.2)
#124C5D 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) | #424A5E | 0.051 |
| Deuteranopia (no green cones) | #38435D | 0.045 |
| Tritanopia (no blue cones) | #005151 | 0.031 |
| Achromatopsia (no color) | #464646 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124C5D
#124C5D
oklch(38.9% 0.064 222)
- #613929
#613929
oklch(38.9% 0.063 42.4)
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 #124C5D, 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 0.024
- Dark Teal #014D4E ΔE 0.030
- Deep Teal #00555A ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.055
- Petrol #005F6A ΔE 0.059
Use #124C5D 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.