#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
RGBrgb(37, 62, 90)
HSLhsl(212, 42%, 25%)
HSVhsv(212, 59%, 35%)
CMYKcmyk(58.9%, 31.1%, 0%, 64.7%)
CIE-LABlab(25.49, -0.27, -19.67)
CIE-LCHlch(25.49, 19.67, 269.23°)
OKLaboklab(35.73% -0.0177 -0.0553)
OKLCHoklch(35.73% 0.058 252.3)
XYZxyz(4.3304, 4.5764, 10.3260)
Luminance0.0458 (WCAG relative)
Temperaturecool
Familycyan

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
##253E5A1.0010.961.9210.96
#FFFFFF10.961.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.961.0021.001.00

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 →

#253E5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva