#216381
Closest named color: Denim (#3B638C). oklch(47.2% 0.081 232), rgb(33, 99, 129).
Aa
White text reads best on this color (6.63:1).
About this color
#216381 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.081 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.031 away. White text reads best on it, at 6.63:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #216381 |
| RGB | rgb(33, 99, 129) |
| HSL | hsl(199, 59%, 32%) |
| OKLCH | oklch(47.2% 0.081 232) |
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 #216381 | 6.63:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #216381 | 3.16:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #216381 text on white | 6.63:1 | AA | Lc 82.5 | Fine for body text |
| #216381 text on black | 3.16:1 | AA large text | Lc -19.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#A8C6D6
oklch(81% 0.039 231.2)
-
Step 400
400
#79A8C1
oklch(70.7% 0.062 232)
-
Step 500
500
#5492B2
oklch(63.1% 0.08 232.5)
-
Step 600
600
#367C9D
oklch(55.6% 0.086 231.7)
-
Step 700
700 (this color)
#216381
oklch(47.2% 0.081 232)
-
Step 800
800
#22556D
oklch(42.6% 0.067 231.8)
-
Step 900
900
#224659
oklch(37.6% 0.053 233.6)
-
Step 950
950
#152934
oklch(26.9% 0.033 233.9)
#216381 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) | #546282 | 0.053 |
| Deuteranopia (no green cones) | #475881 | 0.047 |
| Tritanopia (no blue cones) | #006B6D | 0.049 |
| Achromatopsia (no color) | #5D5D5D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216381
#216381
oklch(47.2% 0.081 232)
- #7F4E2E
#7F4E2E
oklch(47.3% 0.081 52.7)
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 #216381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.031
- Peacock Blue #016795 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.037
- Petrol #005F6A ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.047
- Dark Aqua #05696B ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.052
Use #216381 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.