#125B65
Closest named color: Petrol (#005F6A). oklch(43.4% 0.069 208.9), rgb(18, 91, 101).
Aa
White text reads best on this color (7.74:1).
About this color
#125B65 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.069 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.013 away. White text reads best on it, at 7.74:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #125B65 |
| RGB | rgb(18, 91, 101) |
| HSL | hsl(187, 70%, 23%) |
| OKLCH | oklch(43.4% 0.069 208.9) |
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 #125B65 | 7.74:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #125B65 | 2.71:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #125B65 text on white | 7.74:1 | AAA | Lc 86.6 | Fine for body text |
| #125B65 text on black | 2.71:1 | Fails | Lc -15.5 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE1
oklch(88.6% 0.023 207.1)
-
Step 300
300
#A3C8CF
oklch(80.8% 0.041 210.4)
-
Step 400
400
#6FACB6
oklch(70.7% 0.065 208.9)
-
Step 500
500
#4497A4
oklch(63% 0.082 209.1)
-
Step 600
600
#1B818F
oklch(55.5% 0.089 209.1)
-
Step 700
700
#076D7A
oklch(49% 0.083 209.4)
-
Step 800
800 (this color)
#125B65
oklch(43.4% 0.069 208.9)
-
Step 900
900
#174951
oklch(37.6% 0.054 209.9)
-
Step 950
950
#102B2F
oklch(27% 0.033 208.2)
#125B65 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) | #525766 | 0.066 |
| Deuteranopia (no green cones) | #474F65 | 0.060 |
| Tritanopia (no blue cones) | #00605E | 0.024 |
| Achromatopsia (no color) | #535353 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #125B65
#125B65
oklch(43.4% 0.069 208.9)
- #72423B
#72423B
oklch(43.5% 0.068 29)
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 #125B65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.013
- Deep Teal #00555A ΔE 0.026
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Aqua #05696B ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.045
- Dark Blue Green #005249 ΔE 0.051
- YInMn Blue #415A77 ΔE 0.055
- Dark Teal #014D4E ΔE 0.055
Use #125B65 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.