#429FBA
Closest named color: Cadet Blue (#5F9EA0). oklch(65.8% 0.095 220.2), rgb(66, 159, 186).
Aa
Black text reads best on this color (6.89:1).
About this color
#429FBA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.095 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.043 away. Black text reads best on it, at 6.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.89:1 |
| White text | 3.04:1 |
Values
| HEX | #429FBA |
| RGB | rgb(66, 159, 186) |
| HSL | hsl(194, 48%, 49%) |
| OKLCH | oklch(65.8% 0.095 220.2) |
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 #429FBA | 3.04:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #429FBA | 6.89:1 | AA | Lc 47.1 | Large or bold text, headings |
| #429FBA text on white | 3.04:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #429FBA 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C7DEE5
oklch(88.6% 0.026 218)
-
Step 300
300
#A0C8D6
oklch(80.9% 0.047 221.2)
-
Step 400
400
#69ACC1
oklch(70.8% 0.075 220)
-
Step 500
500 (this color)
#429FBA
oklch(65.8% 0.095 220.2)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#0F4958
oklch(37.7% 0.062 219.6)
-
Step 950
950
#0C2B34
oklch(27.1% 0.04 220.3)
#429FBA 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) | #8F9BBB | 0.080 |
| Deuteranopia (no green cones) | #7D8EBA | 0.071 |
| Tritanopia (no blue cones) | #00A8A8 | 0.049 |
| Achromatopsia (no color) | #949494 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429FBA
#429FBA
oklch(65.8% 0.095 220.2)
- #C47D64
#C47D64
oklch(65.8% 0.096 40.1)
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 #429FBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.043
- Turquoise Blue #06B1C4 ΔE 0.050
- Greyblue #77A1B5 ΔE 0.051
- Faded Blue #658CBB ΔE 0.059
- Sea #3C9992 ΔE 0.060
- Blue Grey #758DA3 ΔE 0.065
- Silver Lake Blue #778DA9 ΔE 0.065
- Dull Teal #5F9E8F ΔE 0.065
Use #429FBA 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.