#233F61#233F61

#233F61 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.068 H 254.2°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX#233F61
RGBrgb(35, 63, 97)
HSLhsl(213, 47%, 26%)
HSVhsv(213, 64%, 38%)
CMYKcmyk(63.9%, 35.1%, 0%, 62%)
CIE-LABlab(26.08, 1.18, -23.29)
CIE-LCHlch(26.08, 23.32, 272.90°)
OKLaboklab(36.28% -0.0186 -0.0658)
OKLCHoklch(36.28% 0.068 254.2)
XYZxyz(4.6275, 4.7750, 11.9847)
Luminance0.0478 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233F61 #614523
analogous
#235E61 #233F61 #262361
triadic
#233F61 #61233F #3F6123
tetradic
#233F61 #61235E #614523 #236126
square
#233F61 #61235E #614523 #236126
split-complementary
#233F61 #612623 #5E6123
monochromatic
#080F16 #132234 #233F61 #335C8E #4379BB

Accessibility & contrast

On white

10.74
#233F61 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.96
#233F61 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F61
10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233F61#FFFFFF#000000##FFFFFF
##233F611.0010.741.9610.74
#FFFFFF10.741.0021.001.00
#0000001.9621.001.0021.00
##FFFFFF10.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#314162
Deuteranopia (green-blind)
#293B60
Tritanopia (blue-blind)
#00474B
Achromatopsia (no color)
#3E3E3E

Design tokens & code

CSS
--color: #233f61;
/* rgb */ color: rgb(35, 63, 97);
/* oklch */ color: oklch(36.3% 0.068 254.2);
Tailwind
colors: {
  custom: {
    50: '#64738e',
    500: '#233f61',
    950: '#000000',
  },
}
SCSS
$custom: #233f61;
$custom-light: #64738e;
$custom-dark: #000000;
JSON
{
  "hex": "#233f61",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 97
  },
  "hsl": {
    "h": 212.903,
    "s": 46.97,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36281,
    "c": 0.06838,
    "h": 254.2
  },
  "luminance": 0.04775
}

Semantic roles & 50–950 ramp

primary
#233F61
secondary
#95734B
accent
#9A51D7
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#06080C
muted
#7A7B7D

Preview Lab

Preview with #233F61

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

Preview Lab → · Contrast checker → · Palette generator →

#233F61 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva