#126E8A
Closest named color: Sea Blue (#047495). oklch(50.2% 0.09 224.7), rgb(18, 110, 138).
Aa
White text reads best on this color (5.79:1).
About this color
#126E8A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.090 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.022 away. White text reads best on it, at 5.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #126E8A |
| RGB | rgb(18, 110, 138) |
| HSL | hsl(194, 77%, 31%) |
| OKLCH | oklch(50.2% 0.09 224.7) |
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 #126E8A | 5.79:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #126E8A | 3.62:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #126E8A text on white | 5.79:1 | AA | Lc 78.6 | Fine for body text |
| #126E8A text on black | 3.62:1 | AA large text | Lc -23.2 | 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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A3C7D6
oklch(80.8% 0.044 225.1)
-
Step 400
400
#70AAC1
oklch(70.7% 0.069 225)
-
Step 500
500
#4595B2
oklch(63.2% 0.089 224.7)
-
Step 600
600
#1D7F9E
oklch(55.7% 0.097 224.7)
-
Step 700
700 (this color)
#126E8A
oklch(50.2% 0.09 224.7)
-
Step 800
800
#11576D
oklch(42.6% 0.074 224.5)
-
Step 900
900
#184859
oklch(37.7% 0.058 225.1)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#126E8A 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) | #5E6C8B | 0.068 |
| Deuteranopia (no green cones) | #4F618A | 0.059 |
| Tritanopia (no blue cones) | #007677 | 0.046 |
| Achromatopsia (no color) | #656565 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #126E8A
#126E8A
oklch(50.2% 0.09 224.7)
- #8E5237
#8E5237
oklch(50.2% 0.09 44.5)
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 #126E8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.022
- Ocean Blue #03719C ΔE 0.028
- Peacock Blue #016795 ΔE 0.032
- Ocean #017B92 ΔE 0.038
- Deep Aqua #08787F ΔE 0.040
- Denim #3B638C ΔE 0.041
- Deep Turquoise #017374 ΔE 0.044
- Muted Blue #3B719F ΔE 0.046
Use #126E8A 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.