#129AAD
Closest named color: Teal Green (#0A9396). oklch(63% 0.106 210.5), rgb(18, 154, 173).
Aa
Black text reads best on this color (6.25:1).
About this color
#129AAD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.106 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.037 away. Black text reads best on it, at 6.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #129AAD |
| RGB | rgb(18, 154, 173) |
| HSL | hsl(187, 81%, 37%) |
| OKLCH | oklch(63% 0.106 210.5) |
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 #129AAD | 3.35:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #129AAD | 6.25:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #129AAD text on white | 3.35:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #129AAD text on black | 6.25:1 | AA | Lc -41.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE4
oklch(88.5% 0.029 210)
-
Step 300
300
#9ACAD3
oklch(80.8% 0.052 210.3)
-
Step 400
400
#5CAFBE
oklch(70.7% 0.083 210.7)
-
Step 500
500 (this color)
#129AAD
oklch(63% 0.106 210.5)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005A66
oklch(42.9% 0.074 210.4)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#042C32
oklch(27% 0.044 209.8)
#129AAD 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) | #8A94AE | 0.099 |
| Deuteranopia (no green cones) | #7786AD | 0.090 |
| Tritanopia (no blue cones) | #00A2A0 | 0.036 |
| Achromatopsia (no color) | #8C8C8C | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129AAD
#129AAD
oklch(63% 0.106 210.5)
- #C16F62
#C16F62
oklch(63% 0.107 29.9)
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 #129AAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.037
- Sea #3C9992 ΔE 0.042
- Blue Green #0F9B8E ΔE 0.049
- Persian Green #2A9D8F ΔE 0.050
- Blue NCS #118AB2 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.053
- Teal Blue #01889F ΔE 0.054
- Dusty Teal #4C9085 ΔE 0.060
Use #129AAD 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.