#429CA1
Closest named color: Sea (#3C9992). oklch(64.1% 0.085 200.3), rgb(66, 156, 161).
Aa
Black text reads best on this color (6.50:1).
About this color
#429CA1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.085 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.023 away. Black text reads best on it, at 6.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.50:1 |
| White text | 3.22:1 |
Values
| HEX | #429CA1 |
| RGB | rgb(66, 156, 161) |
| HSL | hsl(183, 42%, 45%) |
| OKLCH | oklch(64.1% 0.085 200.3) |
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 #429CA1 | 3.22:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #429CA1 | 6.50:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #429CA1 text on white | 3.22:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #429CA1 text on black | 6.50:1 | AA | Lc -42.4 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A2C9CB
oklch(80.8% 0.041 200.2)
-
Step 400
400
#6DADB1
oklch(70.6% 0.066 200.8)
-
Step 500
500 (this color)
#429CA1
oklch(64.1% 0.085 200.3)
-
Step 600
600
#0B8389
oklch(55.6% 0.092 200.6)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#045A5E
oklch(42.6% 0.071 200.2)
-
Step 900
900
#134A4D
oklch(37.6% 0.056 200.4)
-
Step 950
950
#0E2C2D
oklch(27.1% 0.035 198.3)
#429CA1 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) | #9196A1 | 0.086 |
| Deuteranopia (no green cones) | #828AA2 | 0.081 |
| Tritanopia (no blue cones) | #00A19D | 0.029 |
| Achromatopsia (no color) | #8F8F8F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429CA1
#429CA1
oklch(64.1% 0.085 200.3)
- #BB7777
#BB7777
oklch(64.1% 0.086 19.7)
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 #429CA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.023
- Cadet Blue #5F9EA0 ΔE 0.026
- Persian Green #2A9D8F ΔE 0.034
- Dull Teal #5F9E8F ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.038
- Blue Green #0F9B8E ΔE 0.040
- Teal Green #0A9396 ΔE 0.042
- Dusty Teal #4C9085 ΔE 0.045
Use #429CA1 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.