#253D6B#253D6B

#253D6B is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.5% C 0.085 H 262.2°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#253D6B
RGB	rgb(37, 61, 107)
HSL	hsl(219, 49%, 28%)
HSV	hsv(219, 65%, 42%)
CMYK	cmyk(65.4%, 43%, 0%, 58%)
CIE-LAB	lab(26.13, 6.79, -29.64)
CIE-LCH	lch(26.13, 30.41, 282.90°)
OKLab	oklab(36.54% -0.0115 -0.0843)
OKLCH	oklch(36.54% 0.085 262.2)
XYZ	xyz(5.0846, 4.7919, 14.5640)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D6B #6B5325

analogous

#25606B #253D6B #30256B

triadic

#253D6B #6B253D #3D6B25

tetradic

#253D6B #6B2560 #6B5325 #256B30

square

#253D6B #6B2560 #6B5325 #256B30

split-complementary

#253D6B #6B3025 #606B25

monochromatic

#080D17 #15233E #253D6B #355798 #4A73C0

Accessibility & contrast

On white

10.72

#253D6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#253D6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D6B

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D6B	#FFFFFF	#000000	##FFFFFF
##253D6B	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29416D

Deuteranopia (green-blind)

#1F3B6A

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253d6b;
/* rgb */ color: rgb(37, 61, 107);
/* oklch */ color: oklch(36.5% 0.085 262.2);

Tailwind

colors: {
  custom: {
    50: '#677295',
    500: '#253d6b',
    950: '#000000',
  },
}

SCSS

$custom: #253d6b;
$custom-light: #677295;
$custom-dark: #000000;

JSON

{
  "hex": "#253d6b",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 107
  },
  "hsl": {
    "h": 219.429,
    "s": 48.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36539,
    "c": 0.08513,
    "h": 262.2
  },
  "luminance": 0.04792
}

Semantic roles & 50–950 ramp

primary

#253D6B

secondary

#9E834E

accent

#A950D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253D6B

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

Preview Lab → · Contrast checker → · Palette generator →