#429AC4
Closest named color: Faded Blue (#658CBB). oklch(65.1% 0.104 232.3), rgb(66, 154, 196).
Aa
Black text reads best on this color (6.65:1).
About this color
#429AC4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.104 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.045 away. Black text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.65:1 |
| White text | 3.15:1 |
Values
| HEX | #429AC4 |
| RGB | rgb(66, 154, 196) |
| HSL | hsl(199, 52%, 51%) |
| OKLCH | oklch(65.1% 0.104 232.3) |
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 #429AC4 | 3.15:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #429AC4 | 6.65:1 | AA | Lc 45.6 | Large or bold text, headings |
| #429AC4 text on white | 3.15:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #429AC4 text on black | 6.65:1 | AA | Lc -43.3 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C7DDE9
oklch(88.5% 0.029 231.5)
-
Step 300
300
#A0C7DC
oklch(80.8% 0.051 231.7)
-
Step 400
400
#6AAACB
oklch(70.7% 0.082 232)
-
Step 500
500 (this color)
#429AC4
oklch(65.1% 0.104 232.3)
-
Step 600
600
#027EAA
oklch(55.7% 0.113 231.9)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#015676
oklch(42.6% 0.087 232.4)
-
Step 900
900
#11475F
oklch(37.6% 0.068 232.3)
-
Step 950
950
#0D2A38
oklch(27% 0.043 232.5)
#429AC4 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) | #8598C6 | 0.069 |
| Deuteranopia (no green cones) | #738BC3 | 0.059 |
| Tritanopia (no blue cones) | #00A5A8 | 0.066 |
| Achromatopsia (no color) | #919191 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429AC4
#429AC4
oklch(65.1% 0.104 232.3)
- #C17C51
#C17C51
oklch(64.9% 0.104 51.9)
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 #429AC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.045
- Dusty Blue #5A86AD ΔE 0.058
- Blue NCS #118AB2 ΔE 0.059
- Cool Blue #4984B8 ΔE 0.061
- Greyblue #77A1B5 ΔE 0.061
- Off Blue #5684AE ΔE 0.062
- Cadet Blue #5F9EA0 ΔE 0.062
- Silver Lake Blue #778DA9 ΔE 0.063
Use #429AC4 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.