#516288
Closest named color: Denim (#3B638C). oklch(49.8% 0.065 265.6), rgb(81, 98, 136).
Aa
White text reads best on this color (6.08:1).
About this color
#516288 is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.065 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.026 away. White text reads best on it, at 6.08:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.45:1 |
| White text | 6.08:1 |
Values
| HEX | #516288 |
| RGB | rgb(81, 98, 136) |
| HSL | hsl(221, 25%, 43%) |
| OKLCH | oklch(49.8% 0.065 265.6) |
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 #516288 | 6.08:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #516288 | 3.45:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #516288 text on white | 6.08:1 | AA | Lc 80.3 | Fine for body text |
| #516288 text on black | 3.45:1 | AA large text | Lc -21.5 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#92A1C1
oklch(70.8% 0.05 265.3)
-
Step 500
500
#7789B1
oklch(63.1% 0.064 265.8)
-
Step 600
600
#60739D
oklch(55.7% 0.069 265.4)
-
Step 700
700 (this color)
#516288
oklch(49.8% 0.065 265.6)
-
Step 800
800
#414E6D
oklch(42.6% 0.054 266.6)
-
Step 900
900
#374158
oklch(37.6% 0.042 266.2)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#516288 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) | #55658A | 0.011 |
| Deuteranopia (no green cones) | #506087 | 0.006 |
| Tritanopia (no blue cones) | #3F6A6F | 0.059 |
| Achromatopsia (no color) | #626262 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #516288
#516288
oklch(49.8% 0.065 265.6)
- #736036
#736036
oklch(49.8% 0.064 85.8)
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 #516288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.026
- Dusky Blue #475F94 ΔE 0.027
- Dusty Grape #545775 ΔE 0.038
- Slate #516572 ΔE 0.040
- Dusk #4E5481 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.041
- Metallic Blue #4F738E ΔE 0.049
Use #516288 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.