#153D75#153D75

#153D75 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.5% C 0.106 H 257.7°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#153D75
RGB	rgb(21, 61, 117)
HSL	hsl(215, 70%, 27%)
HSV	hsv(215, 82%, 46%)
CMYK	cmyk(82.1%, 47.9%, 0%, 54.1%)
CIE-LAB	lab(26.10, 8.19, -36.10)
CIE-LCH	lch(26.10, 37.02, 282.79°)
OKLab	oklab(36.54% -0.0226 -0.1036)
OKLCH	oklch(36.54% 0.106 257.7)
XYZ	xyz(5.1877, 4.7807, 17.4755)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D75 #754D15

analogous

#156D75 #153D75 #1D1575

triadic

#153D75 #75153D #3D7515

tetradic

#153D75 #75156D #754D15 #15751D

square

#153D75 #75156D #754D15 #15751D

split-complementary

#153D75 #751D15 #6D7515

monochromatic

#050E1A #0C2241 #153D75 #1E58A9 #2B74D9

Accessibility & contrast

On white

10.74

#153D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#153D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D75

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D75	#FFFFFF	#000000	##FFFFFF
##153D75	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4277

Deuteranopia (green-blind)

#083A74

Tritanopia (blue-blind)

#004A53

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153d75;
/* rgb */ color: rgb(21, 61, 117);
/* oklch */ color: oklch(36.5% 0.106 257.7);

Tailwind

colors: {
  custom: {
    50: '#63729d',
    500: '#153d75',
    950: '#000000',
  },
}

SCSS

$custom: #153d75;
$custom-light: #63729d;
$custom-dark: #000000;

JSON

{
  "hex": "#153d75",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 117
  },
  "hsl": {
    "h": 215,
    "s": 69.565,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36535,
    "c": 0.10603,
    "h": 257.7
  },
  "luminance": 0.04781
}

Semantic roles & 50–950 ramp

primary

#153D75

secondary

#AB7C3B

accent

#A33BEC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153D75

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

Preview Lab → · Contrast checker → · Palette generator →