#153A70#153A70

#153A70 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.4% C 0.103 H 258.3°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#153A70
RGB	rgb(21, 58, 112)
HSL	hsl(216, 68%, 26%)
HSV	hsv(216, 81%, 44%)
CMYK	cmyk(81.2%, 48.2%, 0%, 56.1%)
CIE-LAB	lab(24.81, 8.21, -34.99)
CIE-LCH	lch(24.81, 35.94, 283.20°)
OKLab	oklab(35.43% -0.0209 -0.1004)
OKLCH	oklch(35.43% 0.103 258.3)
XYZ	xyz(4.7459, 4.3548, 15.9165)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A70 #704B15

analogous

#156770 #153A70 #1D1570

triadic

#153A70 #70153A #3A7015

tetradic

#153A70 #701567 #704B15 #15701D

square

#153A70 #701567 #704B15 #15701D

split-complementary

#153A70 #701D15 #677015

monochromatic

#050D1A #0B1F3C #153A70 #1F55A4 #296FD7

Accessibility & contrast

On white

11.22

#153A70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#153A70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A70

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A70	#FFFFFF	#000000	##FFFFFF
##153A70	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3F72

Deuteranopia (green-blind)

#07376F

Tritanopia (blue-blind)

#00474F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153a70;
/* rgb */ color: rgb(21, 58, 112);
/* oklch */ color: oklch(35.4% 0.103 258.3);

Tailwind

colors: {
  custom: {
    50: '#626f99',
    500: '#153a70',
    950: '#000000',
  },
}

SCSS

$custom: #153a70;
$custom-light: #626f99;
$custom-dark: #000000;

JSON

{
  "hex": "#153a70",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 112
  },
  "hsl": {
    "h": 215.604,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35428,
    "c": 0.10255,
    "h": 258.3
  },
  "luminance": 0.04355
}

Semantic roles & 50–950 ramp

primary

#153A70

secondary

#A67A3B

accent

#A43DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153A70

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

Preview Lab → · Contrast checker → · Palette generator →