#124A5F
Closest named color: Dark Grey Blue (#29465B). oklch(38.4% 0.066 227.9), rgb(18, 74, 95).
Aa
White text reads best on this color (9.67:1).
About this color
#124A5F is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.066 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.021 away. White text reads best on it, at 9.67:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #124A5F |
| RGB | rgb(18, 74, 95) |
| HSL | hsl(196, 68%, 22%) |
| OKLCH | oklch(38.4% 0.066 227.9) |
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 #124A5F | 9.67:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #124A5F | 2.17:1 | Fails | Lc 11.8 | Not readable |
| #124A5F text on white | 9.67:1 | AAA | Lc 92.1 | Preferred for body text |
| #124A5F text on black | 2.17:1 | Fails | Lc -10.3 | 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
#C7DDE8
oklch(88.5% 0.028 229.2)
-
Step 300
300
#A0C8DA
oklch(81% 0.049 227.1)
-
Step 400
400
#69ABC8
oklch(70.8% 0.079 227.9)
-
Step 500
500
#3995B9
oklch(63.1% 0.101 227.7)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900 (this color)
#124A5F
oklch(38.4% 0.066 227.9)
-
Step 950
950
#0C2A36
oklch(26.9% 0.042 227.8)
#124A5F 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) | #3F4960 | 0.048 |
| Deuteranopia (no green cones) | #35415F | 0.042 |
| Tritanopia (no blue cones) | #005051 | 0.037 |
| Achromatopsia (no color) | #444444 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124A5F
#124A5F
oklch(38.4% 0.066 227.9)
- #603823
#603823
oklch(38.5% 0.066 47.8)
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 #124A5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.021
- Charcoal #264653 ΔE 0.024
- Dark Teal #014D4E ΔE 0.036
- Deep Teal #00555A ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.050
- Dark Blue Green #005249 ΔE 0.054
- Midnight Green #073B4C ΔE 0.055
Use #124A5F 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.