#429DC9
Closest named color: Faded Blue (#658CBB). oklch(66% 0.108 232.8), rgb(66, 157, 201).
Aa
Black text reads best on this color (6.89:1).
About this color
#429DC9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.108 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.051 away. Black text reads best on it, at 6.89:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.89:1 |
| White text | 3.04:1 |
Values
| HEX | #429DC9 |
| RGB | rgb(66, 157, 201) |
| HSL | hsl(200, 56%, 52%) |
| OKLCH | oklch(66% 0.108 232.8) |
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 #429DC9 | 3.04:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #429DC9 | 6.89:1 | AA | Lc 47.1 | Large or bold text, headings |
| #429DC9 text on white | 3.04:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #429DC9 text on black | 6.89:1 | AA | Lc -44.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DD
oklch(80.8% 0.053 232.3)
-
Step 400
400
#68AACD
oklch(70.7% 0.085 232.9)
-
Step 500
500 (this color)
#429DC9
oklch(66% 0.108 232.8)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#0F4761
oklch(37.6% 0.071 234)
-
Step 950
950
#0C2A39
oklch(27% 0.045 233.7)
#429DC9 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) | #879BCB | 0.070 |
| Deuteranopia (no green cones) | #758EC8 | 0.060 |
| Tritanopia (no blue cones) | #00A9AC | 0.068 |
| Achromatopsia (no color) | #949494 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429DC9
#429DC9
oklch(66% 0.108 232.8)
- #C67F51
#C67F51
oklch(66.1% 0.108 52.8)
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 #429DC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.051
- Greyblue #77A1B5 ΔE 0.059
- Turquoise Blue #06B1C4 ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.065
- Dark Sky Blue #448EE4 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.067
- Dusty Blue #5A86AD ΔE 0.067
- Blue NCS #118AB2 ΔE 0.068
Use #429DC9 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.