#216391
Closest named color: Peacock Blue (#016795). oklch(48.1% 0.099 243.4), rgb(33, 99, 145).
Aa
White text reads best on this color (6.44:1).
About this color
#216391 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.099 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.015 away. White text reads best on it, at 6.44:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #216391 |
| RGB | rgb(33, 99, 145) |
| HSL | hsl(205, 63%, 35%) |
| OKLCH | oklch(48.1% 0.099 243.4) |
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 #216391 | 6.44:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #216391 | 3.25:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #216391 text on white | 6.44:1 | AA | Lc 81.7 | Fine for body text |
| #216391 text on black | 3.25:1 | AA large text | Lc -20.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A7C5DE
oklch(81% 0.048 243.5)
-
Step 400
400
#77A6CD
oklch(70.6% 0.076 244.2)
-
Step 500
500
#5190C0
oklch(63.1% 0.098 243.2)
-
Step 600
600
#3379AC
oklch(55.5% 0.106 243.5)
-
Step 700
700 (this color)
#216391
oklch(48.1% 0.099 243.4)
-
Step 800
800
#205378
oklch(42.6% 0.082 243.5)
-
Step 900
900
#204561
oklch(37.7% 0.064 243.6)
-
Step 950
950
#142939
oklch(27.2% 0.04 243)
#216391 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) | #4E6493 | 0.045 |
| Deuteranopia (no green cones) | #3E5A90 | 0.034 |
| Tritanopia (no blue cones) | #006E73 | 0.069 |
| Achromatopsia (no color) | #5E5E5E | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216391
#216391
oklch(48.1% 0.099 243.4)
- #845015
#845015
oklch(48.1% 0.099 63.8)
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 #216391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.015
- Denim #3B638C ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.030
- Dusky Blue #475F94 ΔE 0.037
- Ocean Blue #03719C ΔE 0.041
- Dusk Blue #26538D ΔE 0.046
- YInMn Blue #415A77 ΔE 0.049
Use #216391 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.