#515D88#515D88

#515D88 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.071 H 271.6°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#515D88
RGB	rgb(81, 93, 136)
HSL	hsl(227, 25%, 43%)
HSV	hsv(227, 40%, 53%)
CMYK	cmyk(40.4%, 31.6%, 0%, 46.7%)
CIE-LAB	lab(40.17, 6.96, -25.39)
CIE-LCH	lch(40.17, 26.33, 285.33°)
OKLab	oklab(48.67% 0.002 -0.0709)
OKLCH	oklch(48.67% 0.071 271.6)
XYZ	xyz(11.7503, 11.3551, 24.8604)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515D88 #887C51

analogous

#517988 #515D88 #605188

triadic

#515D88 #88515D #5D8851

tetradic

#515D88 #885179 #887C51 #518860

square

#515D88 #885179 #887C51 #518860

split-complementary

#515D88 #886051 #798851

monochromatic

#23293B #3A4362 #515D88 #6E7BA8 #949EBF

Accessibility & contrast

On white

6.42

#515D88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#515D88 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515D88

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515D88	#FFFFFF	#000000	##FFFFFF
##515D88	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F618A

Deuteranopia (green-blind)

#4A5D87

Tritanopia (blue-blind)

#40666C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #515d88;
/* rgb */ color: rgb(81, 93, 136);
/* oklch */ color: oklch(48.7% 0.071 271.6);

Tailwind

colors: {
  custom: {
    50: '#848aab',
    500: '#515d88',
    950: '#000000',
  },
}

SCSS

$custom: #515d88;
$custom-light: #848aab;
$custom-dark: #000000;

JSON

{
  "hex": "#515d88",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 136
  },
  "hsl": {
    "h": 226.909,
    "s": 25.346,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48671,
    "c": 0.07094,
    "h": 271.6
  },
  "luminance": 0.11356
}

Semantic roles & 50–950 ramp

primary

#515D88

secondary

#ACA489

accent

#AE66C2

background

#F8F8FA

surface

#EFF0F4

border

#CACBCE

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #515D88

Body copy rendered with the generated semantic roles for this colour.

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