#429BCF
Closest named color: Faded Blue (#658CBB). oklch(65.8% 0.114 237.8), rgb(66, 155, 207).
Aa
Black text reads best on this color (6.82:1).
About this color
#429BCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.114 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.050 away. Black text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #429BCF |
| RGB | rgb(66, 155, 207) |
| HSL | hsl(202, 59%, 54%) |
| OKLCH | oklch(65.8% 0.114 237.8) |
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 #429BCF | 3.07:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #429BCF | 6.82:1 | AA | Lc 46.6 | Large or bold text, headings |
| #429BCF text on white | 3.07:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #429BCF text on black | 6.82:1 | AA | Lc -44.3 | 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
#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
#9FC7E1
oklch(81% 0.056 236.9)
-
Step 400
400
#68A9D2
oklch(70.7% 0.09 237.6)
-
Step 500
500 (this color)
#429BCF
oklch(65.8% 0.114 237.8)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#0F4764
oklch(37.8% 0.074 236.9)
-
Step 950
950
#0C293B
oklch(26.9% 0.048 239.4)
#429BCF 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) | #839BD1 | 0.065 |
| Deuteranopia (no green cones) | #6F8DCE | 0.053 |
| Tritanopia (no blue cones) | #00A8AD | 0.077 |
| Achromatopsia (no color) | #939393 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429BCF
#429BCF
oklch(65.8% 0.114 237.8)
- #C67F45
#C67F45
oklch(65.9% 0.115 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 #429BCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.061
- Cool Blue #4984B8 ΔE 0.066
- Water Blue #0E87CC ΔE 0.066
- Greyblue #77A1B5 ΔE 0.067
- Dusty Blue #5A86AD ΔE 0.067
Use #429BCF 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.