#253E5A#253E5A

#253E5A is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.058 H 252.3°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#253E5A
RGB	rgb(37, 62, 90)
HSL	hsl(212, 42%, 25%)
HSV	hsv(212, 59%, 35%)
CMYK	cmyk(58.9%, 31.1%, 0%, 64.7%)
CIE-LAB	lab(25.49, -0.27, -19.67)
CIE-LCH	lch(25.49, 19.67, 269.23°)
OKLab	oklab(35.73% -0.0177 -0.0553)
OKLCH	oklch(35.73% 0.058 252.3)
XYZ	xyz(4.3304, 4.5764, 10.3260)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E5A #5A4125

analogous

#25595A #253E5A #27255A

triadic

#253E5A #5A253E #3E5A25

tetradic

#253E5A #5A2559 #5A4125 #255A27

square

#253E5A #5A2559 #5A4125 #255A27

split-complementary

#253E5A #5A2725 #595A25

monochromatic

#090F16 #13202F #253E5A #375C85 #497AB1

Accessibility & contrast

On white

10.96

#253E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#253E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E5A

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E5A	#FFFFFF	#000000	##FFFFFF
##253E5A	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F5B

Deuteranopia (green-blind)

#2C3A59

Tritanopia (blue-blind)

#044448

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253e5a;
/* rgb */ color: rgb(37, 62, 90);
/* oklch */ color: oklch(35.7% 0.058 252.3);

Tailwind

colors: {
  custom: {
    50: '#647388',
    500: '#253e5a',
    950: '#000000',
  },
}

SCSS

$custom: #253e5a;
$custom-light: #647388;
$custom-dark: #000000;

JSON

{
  "hex": "#253e5a",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 90
  },
  "hsl": {
    "h": 211.698,
    "s": 41.732,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35725,
    "c": 0.05802,
    "h": 252.3
  },
  "luminance": 0.04577
}

Semantic roles & 50–950 ramp

primary

#253E5A

secondary

#8D6F4D

accent

#9756D2

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #253E5A

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

Preview Lab → · Contrast checker → · Palette generator →