#216D93
Closest named color: Ocean Blue (#03719C). oklch(50.7% 0.094 235.2), rgb(33, 109, 147).
Aa
White text reads best on this color (5.71:1).
About this color
#216D93 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.094 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.017 away. White text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #216D93 |
| RGB | rgb(33, 109, 147) |
| HSL | hsl(200, 63%, 35%) |
| OKLCH | oklch(50.7% 0.094 235.2) |
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 #216D93 | 5.71:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #216D93 | 3.67:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #216D93 text on white | 5.71:1 | AA | Lc 78.3 | Fine for body text |
| #216D93 text on black | 3.67:1 | AA large text | Lc -23.5 | 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
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DA
oklch(80.9% 0.045 234.7)
-
Step 400
400
#73A8C8
oklch(70.6% 0.073 235.7)
-
Step 500
500
#4B92BA
oklch(63% 0.093 235.6)
-
Step 600
600
#2A7CA6
oklch(55.6% 0.101 235.4)
-
Step 700
700 (this color)
#216D93
oklch(50.7% 0.094 235.2)
-
Step 800
800
#1A5573
oklch(42.7% 0.077 235.2)
-
Step 900
900
#1C465D
oklch(37.6% 0.061 235.6)
-
Step 950
950
#122936
oklch(26.9% 0.038 235.3)
#216D93 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) | #5B6C95 | 0.057 |
| Deuteranopia (no green cones) | #4B6292 | 0.046 |
| Tritanopia (no blue cones) | #00777A | 0.059 |
| Achromatopsia (no color) | #666666 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216D93
#216D93
oklch(50.7% 0.094 235.2)
- #8E552C
#8E552C
oklch(50.6% 0.094 54.4)
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 #216D93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.017
- Sea Blue #047495 ΔE 0.021
- Peacock Blue #016795 ΔE 0.024
- Muted Blue #3B719F ΔE 0.031
- Denim #3B638C ΔE 0.032
- Ocean #017B92 ΔE 0.043
- Flat Blue #3C73A8 ΔE 0.044
- Dull Blue #49759C ΔE 0.046
Use #216D93 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.