#429DD3
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.5% 0.117 238.3), rgb(66, 157, 211).
Aa
Black text reads best on this color (6.99:1).
About this color
#429DD3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.117 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.052 away. Black text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #429DD3 |
| RGB | rgb(66, 157, 211) |
| HSL | hsl(202, 62%, 54%) |
| OKLCH | oklch(66.5% 0.117 238.3) |
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 #429DD3 | 3.00:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #429DD3 | 6.99:1 | AA | Lc 47.6 | Large or bold text, headings |
| #429DD3 text on white | 3.00:1 | AA large text | Lc 56.4 | Large or bold text, headings |
| #429DD3 text on black | 6.99:1 | AA | Lc -45.4 | Large or bold text, headings |
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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C7DDEC
oklch(88.6% 0.031 237.6)
-
Step 300
300
#9FC7E2
oklch(81% 0.057 237.9)
-
Step 400
400
#67A9D3
oklch(70.7% 0.091 237.9)
-
Step 500
500 (this color)
#429DD3
oklch(66.5% 0.117 238.3)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#0D4765
oklch(37.8% 0.076 237.3)
-
Step 950
950
#0B293B
oklch(26.8% 0.049 238.8)
#429DD3 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) | #849DD5 | 0.066 |
| Deuteranopia (no green cones) | #708FD2 | 0.053 |
| Tritanopia (no blue cones) | #00ABAF | 0.081 |
| Achromatopsia (no color) | #959595 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429DD3
#429DD3
oklch(66.5% 0.117 238.3)
- #C98044
#C98044
oklch(66.5% 0.118 58.1)
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 #429DD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.052
- Dark Sky Blue #448EE4 ΔE 0.054
- Faded Blue #658CBB ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.058
- Greyblue #77A1B5 ΔE 0.068
- Turquoise Blue #06B1C4 ΔE 0.069
- Water Blue #0E87CC ΔE 0.071
- Cool Blue #4984B8 ΔE 0.072
Use #429DD3 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.