#151B60#151B60

#151B60 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.1% C 0.120 H 271.6°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#151B60
RGB	rgb(21, 27, 96)
HSL	hsl(235, 64%, 23%)
HSV	hsv(235, 78%, 38%)
CMYK	cmyk(78.1%, 71.9%, 0%, 62.4%)
CIE-LAB	lab(14.33, 23.91, -41.59)
CIE-LCH	lch(14.33, 47.97, 299.89°)
OKLab	oklab(27.12% 0.0033 -0.1203)
OKLCH	oklch(27.12% 0.12 271.6)
XYZ	xyz(2.8118, 1.7875, 11.2609)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151B60 #605A15

analogous

#154060 #151B60 #341560

triadic

#151B60 #60151B #1B6015

tetradic

#151B60 #601540 #605A15 #156034

square

#151B60 #601540 #605A15 #156034

split-complementary

#151B60 #603415 #406015

monochromatic

#050719 #0A0D2E #151B60 #202992 #2B37C4

Accessibility & contrast

On white

15.47

#151B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#151B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151B60

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151B60	#FFFFFF	#000000	##FFFFFF
##151B60	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002862

Deuteranopia (green-blind)

#00215F

Tritanopia (blue-blind)

#002E3B

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151b60;
/* rgb */ color: rgb(21, 27, 96);
/* oklch */ color: oklch(27.1% 0.120 271.6);

Tailwind

colors: {
  custom: {
    50: '#60578e',
    500: '#151b60',
    950: '#000000',
  },
}

SCSS

$custom: #151b60;
$custom-light: #60578e;
$custom-dark: #000000;

JSON

{
  "hex": "#151b60",
  "rgb": {
    "r": 21,
    "g": 27,
    "b": 96
  },
  "hsl": {
    "h": 235.2,
    "s": 64.103,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27121,
    "c": 0.1203,
    "h": 271.6
  },
  "luminance": 0.01788
}

Semantic roles & 50–950 ramp

primary

#151B60

secondary

#97903A

accent

#DA41E7

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #151B60

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

Preview Lab → · Contrast checker → · Palette generator →