#21629F
Closest named color: Peacock Blue (#016795). oklch(48.7% 0.117 250.5), rgb(33, 98, 159).
Aa
White text reads best on this color (6.33:1).
About this color
#21629F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.117 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.027 away. White text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.31:1 |
| White text | 6.33:1 |
Values
| HEX | #21629F |
| RGB | rgb(33, 98, 159) |
| HSL | hsl(209, 66%, 38%) |
| OKLCH | oklch(48.7% 0.117 250.5) |
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 #21629F | 6.33:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #21629F | 3.31:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #21629F text on white | 6.33:1 | AA | Lc 81.2 | Fine for body text |
| #21629F text on black | 3.31:1 | AA large text | Lc -20.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A6C4E5
oklch(80.9% 0.057 251)
-
Step 400
400
#75A5D8
oklch(70.8% 0.091 250.7)
-
Step 500
500
#4F8DCD
oklch(63% 0.117 250.8)
-
Step 600
600
#3076BA
oklch(55.5% 0.127 250.7)
-
Step 700
700 (this color)
#21629F
oklch(48.7% 0.117 250.5)
-
Step 800
800
#1F5182
oklch(42.7% 0.097 250.8)
-
Step 900
900
#1F4468
oklch(37.8% 0.075 249.9)
-
Step 950
950
#13283D
oklch(27.1% 0.048 250)
#21629F 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) | #4566A1 | 0.037 |
| Deuteranopia (no green cones) | #325A9E | 0.024 |
| Tritanopia (no blue cones) | #007179 | 0.087 |
| Achromatopsia (no color) | #5F5F5F | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21629F
#21629F
oklch(48.7% 0.117 250.5)
- #845300
#845300
oklch(48.6% 0.105 70.5)
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 #21629F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.031
- Denim #3B638C ΔE 0.037
- Mid Blue #276AB3 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.040
- Ocean Blue #03719C ΔE 0.045
- French Blue #436BAD ΔE 0.047
Use #21629F 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.