#216C87
Closest named color: Sea Blue (#047495). oklch(49.8% 0.083 226.5), rgb(33, 108, 135).
Aa
White text reads best on this color (5.89:1).
About this color
#216C87 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.083 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.028 away. White text reads best on it, at 5.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.55:1 |
| White text | 5.89:1 |
Values
| HEX | #216C87 |
| RGB | rgb(33, 108, 135) |
| HSL | hsl(196, 61%, 33%) |
| OKLCH | oklch(49.8% 0.083 226.5) |
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 #216C87 | 5.89:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #216C87 | 3.55:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #216C87 text on white | 5.89:1 | AA | Lc 79.2 | Fine for body text |
| #216C87 text on black | 3.55:1 | AA large text | Lc -22.6 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CBDDE5
oklch(88.6% 0.022 226.2)
-
Step 300
300
#A6C6D5
oklch(80.8% 0.04 227.9)
-
Step 400
400
#75A9C0
oklch(70.7% 0.064 227.4)
-
Step 500
500
#4E94B0
oklch(63.2% 0.082 226.4)
-
Step 600
600
#2D7E9B
oklch(55.7% 0.089 225.7)
-
Step 700
700 (this color)
#216C87
oklch(49.8% 0.083 226.5)
-
Step 800
800
#1C566C
oklch(42.6% 0.069 227.2)
-
Step 900
900
#1E4757
oklch(37.6% 0.053 226.4)
-
Step 950
950
#132A33
oklch(27.1% 0.033 225.6)
#216C87 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) | #5D6A88 | 0.061 |
| Deuteranopia (no green cones) | #506087 | 0.054 |
| Tritanopia (no blue cones) | #007475 | 0.046 |
| Achromatopsia (no color) | #646464 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216C87
#216C87
oklch(49.8% 0.083 226.5)
- #895338
#895338
oklch(49.8% 0.083 46.8)
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 #216C87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.028
- Peacock Blue #016795 ΔE 0.033
- Ocean Blue #03719C ΔE 0.033
- Denim #3B638C ΔE 0.035
- Deep Aqua #08787F ΔE 0.043
- Ocean #017B92 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.045
- Muted Blue #3B719F ΔE 0.047
Use #216C87 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.