#258FBC#258FBC

#258FBC is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.3% C 0.114 H 231.9°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#258FBC
RGB	rgb(37, 143, 188)
HSL	hsl(198, 67%, 44%)
HSV	hsv(198, 80%, 74%)
CMYK	cmyk(80.3%, 23.9%, 0%, 26.3%)
CIE-LAB	lab(55.75, -13.58, -31.71)
CIE-LCH	lch(55.75, 34.50, 246.81°)
OKLab	oklab(61.25% -0.0701 -0.0894)
OKLCH	oklch(61.25% 0.114 231.9)
XYZ	xyz(19.6588, 23.6666, 51.0992)
Luminance	0.2367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258FBC #BC5225

analogous

#25BC9E #258FBC #2544BC

triadic

#258FBC #BC258F #8FBC25

tetradic

#258FBC #9E25BC #BC5225 #44BC25

square

#258FBC #9E25BC #BC5225 #44BC25

split-complementary

#258FBC #BC2544 #BC9E25

monochromatic

#114156 #1B6889 #258FBC #44ADDA #77C4E4

Accessibility & contrast

On white

3.66

#258FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#258FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258FBC

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258FBC	#FFFFFF	#000000	##000000
##258FBC	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBE

Deuteranopia (green-blind)

#647FBB

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #258fbc;
/* rgb */ color: rgb(37, 143, 188);
/* oklch */ color: oklch(61.3% 0.114 231.9);

Tailwind

colors: {
  custom: {
    50: '#78afd0',
    500: '#258fbc',
    950: '#000000',
  },
}

SCSS

$custom: #258fbc;
$custom-light: #78afd0;
$custom-dark: #000000;

JSON

{
  "hex": "#258fbc",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 197.881,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.61254,
    "c": 0.11358,
    "h": 231.9
  },
  "luminance": 0.23669
}

Semantic roles & 50–950 ramp

primary

#258FBC

secondary

#CC8C71

accent

#713EEA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #258FBC

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

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