#216581
Closest named color: Denim (#3B638C). oklch(47.7% 0.08 229.5), rgb(33, 101, 129).
Aa
White text reads best on this color (6.47:1).
About this color
#216581 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.080 and its hue 229°. 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 6.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.24:1 |
| White text | 6.47:1 |
Values
| HEX | #216581 |
| RGB | rgb(33, 101, 129) |
| HSL | hsl(198, 59%, 32%) |
| OKLCH | oklch(47.7% 0.08 229.5) |
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 #216581 | 6.47:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #216581 | 3.24:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #216581 text on white | 6.47:1 | AA | Lc 81.8 | Fine for body text |
| #216581 text on black | 3.24:1 | AA large text | Lc -20.0 | 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
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A8C6D5
oklch(80.9% 0.039 229.5)
-
Step 400
400
#78A8C0
oklch(70.6% 0.062 230.4)
-
Step 500
500
#5393B0
oklch(63.2% 0.079 229.2)
-
Step 600
600
#347D9C
oklch(55.7% 0.086 229.2)
-
Step 700
700 (this color)
#216581
oklch(47.7% 0.08 229.5)
-
Step 800
800
#21566C
oklch(42.8% 0.066 228.7)
-
Step 900
900
#214758
oklch(37.8% 0.052 229.5)
-
Step 950
950
#142933
oklch(26.8% 0.033 230.3)
#216581 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) | #576382 | 0.057 |
| Deuteranopia (no green cones) | #495A81 | 0.048 |
| Tritanopia (no blue cones) | #006D6E | 0.048 |
| Achromatopsia (no color) | #5E5E5E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216581
#216581
oklch(47.7% 0.08 229.5)
- #814F32
#814F32
oklch(47.8% 0.08 50.1)
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 #216581, 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 0.039
- YInMn Blue #415A77 ΔE 0.040
- Petrol #005F6A ΔE 0.044
- Dark Aqua #05696B ΔE 0.045
- Sea Blue #047495 ΔE 0.048
- Ocean Blue #03719C ΔE 0.049
Use #216581 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.