#429DBF
Closest named color: Cadet Blue (#5F9EA0). oklch(65.5% 0.099 226.1), rgb(66, 157, 191).
Aa
Black text reads best on this color (6.80:1).
About this color
#429DBF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.099 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.051 away. Black text reads best on it, at 6.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.80:1 |
| White text | 3.08:1 |
Values
| HEX | #429DBF |
| RGB | rgb(66, 157, 191) |
| HSL | hsl(196, 49%, 50%) |
| OKLCH | oklch(65.5% 0.099 226.1) |
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 #429DBF | 3.08:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #429DBF | 6.80:1 | AA | Lc 46.5 | Large or bold text, headings |
| #429DBF text on white | 3.08:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #429DBF text on black | 6.80:1 | AA | Lc -44.2 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C7DDE7
oklch(88.4% 0.027 226.8)
-
Step 300
300
#A0C8D9
oklch(81% 0.049 225.7)
-
Step 400
400
#69ABC6
oklch(70.7% 0.078 226.1)
-
Step 500
500 (this color)
#429DBF
oklch(65.5% 0.099 226.1)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#10485C
oklch(37.6% 0.065 226.9)
-
Step 950
950
#0C2A36
oklch(26.9% 0.042 227.8)
#429DBF 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) | #8B9AC1 | 0.076 |
| Deuteranopia (no green cones) | #798DBF | 0.066 |
| Tritanopia (no blue cones) | #00A7A8 | 0.057 |
| Achromatopsia (no color) | #939393 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429DBF
#429DBF
oklch(65.5% 0.099 226.1)
- #C37D5C
#C37D5C
oklch(65.6% 0.099 45.8)
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 #429DBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.051
- Faded Blue #658CBB ΔE 0.052
- Greyblue #77A1B5 ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.056
- Silver Lake Blue #778DA9 ΔE 0.063
- Dusty Blue #5A86AD ΔE 0.064
- Blue NCS #118AB2 ΔE 0.065
- Blue Grey #758DA3 ΔE 0.065
Use #429DBF 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.