#125451
Closest named color: Deep Teal (#00555A). oklch(40.6% 0.063 190.4), rgb(18, 84, 81).
Aa
White text reads best on this color (8.70:1).
About this color
#125451 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.063 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.015 away. White text reads best on it, at 8.70:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #125451 |
| RGB | rgb(18, 84, 81) |
| HSL | hsl(177, 65%, 20%) |
| OKLCH | oklch(40.6% 0.063 190.4) |
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 #125451 | 8.70:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #125451 | 2.41:1 | Fails | Lc 14.4 | Not readable |
| #125451 text on white | 8.70:1 | AAA | Lc 89.5 | Fine for body text |
| #125451 text on black | 2.41:1 | Fails | Lc -12.7 | 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 800.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A6C9C6
oklch(81% 0.038 190)
-
Step 400
400
#75ADA9
oklch(70.8% 0.059 190.3)
-
Step 500
500
#4D9894
oklch(63.1% 0.075 190.9)
-
Step 600
600
#2A837E
oklch(55.7% 0.083 189.7)
-
Step 700
700
#1B6E6B
oklch(49% 0.076 191.4)
-
Step 800
800 (this color)
#125451
oklch(40.6% 0.063 190.4)
-
Step 900
900
#1D4A48
oklch(37.7% 0.049 191.3)
-
Step 950
950
#122B2A
oklch(26.9% 0.031 192.1)
#125451 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) | #4F4F51 | 0.068 |
| Deuteranopia (no green cones) | #454852 | 0.063 |
| Tritanopia (no blue cones) | #005753 | 0.010 |
| Achromatopsia (no color) | #4B4B4B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #125451
#125451
oklch(40.6% 0.063 190.4)
- #673A41
#673A41
oklch(40.6% 0.064 10.3)
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 #125451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.015
- Dark Blue Green #005249 ΔE 0.017
- Dark Teal #014D4E ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.026
- Petrol #005F6A ΔE 0.046
- Charcoal #264653 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.056
Use #125451 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.