#126173
Closest named color: Petrol (#005F6A). oklch(45.6% 0.076 217.7), rgb(18, 97, 115).
Aa
White text reads best on this color (7.03:1).
About this color
#126173 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.076 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.017 away. White text reads best on it, at 7.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #126173 |
| RGB | rgb(18, 97, 115) |
| HSL | hsl(191, 73%, 26%) |
| OKLCH | oklch(45.6% 0.076 217.7) |
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 #126173 | 7.03:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #126173 | 2.98:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #126173 text on white | 7.03:1 | AAA | Lc 84.0 | Fine for body text |
| #126173 text on black | 2.98:1 | Fails | Lc -17.9 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DEE4
oklch(88.6% 0.025 215.9)
-
Step 300
300
#A1C8D4
oklch(80.9% 0.045 218.5)
-
Step 400
400
#6BACBE
oklch(70.7% 0.071 217.4)
-
Step 500
500
#3C97AE
oklch(63.2% 0.091 217.5)
-
Step 600
600
#048199
oklch(55.7% 0.099 217.1)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800 (this color)
#126173
oklch(45.6% 0.076 217.7)
-
Step 900
900
#124956
oklch(37.7% 0.059 217.2)
-
Step 950
950
#0D2B33
oklch(27.1% 0.038 218.3)
#126173 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) | #555E74 | 0.065 |
| Deuteranopia (no green cones) | #495573 | 0.058 |
| Tritanopia (no blue cones) | #006767 | 0.032 |
| Achromatopsia (no color) | #595959 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #126173
#126173
oklch(45.6% 0.076 217.7)
- #7B4737
#7B4737
oklch(45.6% 0.076 37.9)
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 #126173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.017
- Dark Aqua #05696B ΔE 0.032
- YInMn Blue #415A77 ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.050
- Deep Teal #00555A ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.054
- Peacock Blue #016795 ΔE 0.055
Use #126173 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.