#151F58#151F58

#151F58 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.103 H 270.4°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#151F58
RGB	rgb(21, 31, 88)
HSL	hsl(231, 61%, 21%)
HSV	hsv(231, 76%, 35%)
CMYK	cmyk(76.1%, 64.8%, 0%, 65.5%)
CIE-LAB	lab(14.64, 17.79, -35.72)
CIE-LCH	lch(14.64, 39.90, 296.48°)
OKLab	oklab(27.11% 0.0006 -0.103)
OKLCH	oklch(27.11% 0.103 270.4)
XYZ	xyz(2.5601, 1.8437, 9.4516)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F58 #584E15

analogous

#154158 #151F58 #2D1558

triadic

#151F58 #58151F #1F5815

tetradic

#151F58 #581541 #584E15 #15582D

square

#151F58 #581541 #584E15 #15582D

split-complementary

#151F58 #582D15 #415815

monochromatic

#060919 #090E27 #151F58 #213089 #2D42BB

Accessibility & contrast

On white

15.34

#151F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#151F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F58

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F58	#FFFFFF	#000000	##FFFFFF
##151F58	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285A

Deuteranopia (green-blind)

#002257

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #151f58;
/* rgb */ color: rgb(21, 31, 88);
/* oklch */ color: oklch(27.1% 0.103 270.4);

Tailwind

colors: {
  custom: {
    50: '#5d5a88',
    500: '#151f58',
    950: '#000000',
  },
}

SCSS

$custom: #151f58;
$custom-light: #5d5a88;
$custom-dark: #000000;

JSON

{
  "hex": "#151f58",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 88
  },
  "hsl": {
    "h": 231.045,
    "s": 61.468,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27111,
    "c": 0.10304,
    "h": 270.4
  },
  "luminance": 0.01844
}

Semantic roles & 50–950 ramp

primary

#151F58

secondary

#908339

accent

#CC43E5

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #151F58

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

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