#216799
Closest named color: Peacock Blue (#016795). oklch(49.5% 0.105 244.3), rgb(33, 103, 153).
Aa
White text reads best on this color (6.06:1).
About this color
#216799 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.105 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.014 away. White text reads best on it, at 6.06:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #216799 |
| RGB | rgb(33, 103, 153) |
| HSL | hsl(205, 65%, 36%) |
| OKLCH | oklch(49.5% 0.105 244.3) |
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 #216799 | 6.06:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #216799 | 3.46:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #216799 text on white | 6.06:1 | AA | Lc 79.9 | Fine for body text |
| #216799 text on black | 3.46:1 | AA large text | Lc -21.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A6C5E0
oklch(81% 0.051 244.8)
-
Step 400
400
#74A6D0
oklch(70.6% 0.082 244.7)
-
Step 500
500
#4E90C4
oklch(63.2% 0.104 244.3)
-
Step 600
600
#2E79B0
oklch(55.6% 0.112 244.3)
-
Step 700
700 (this color)
#216799
oklch(49.5% 0.105 244.3)
-
Step 800
800
#1D537B
oklch(42.7% 0.087 244.5)
-
Step 900
900
#1E4563
oklch(37.7% 0.068 244.3)
-
Step 950
950
#13293A
oklch(27.2% 0.042 243.6)
#216799 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) | #50699B | 0.046 |
| Deuteranopia (no green cones) | #3F5D98 | 0.035 |
| Tritanopia (no blue cones) | #007379 | 0.073 |
| Achromatopsia (no color) | #626262 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #216799
#216799
oklch(49.5% 0.105 244.3)
- #8A5310
#8A5310
oklch(49.5% 0.105 64.4)
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 #216799, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.014
- Denim #3B638C ΔE 0.027
- Ocean Blue #03719C ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.038
- Muted Blue #3B719F ΔE 0.039
- Sea Blue #047495 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.042
Use #216799 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.