#258FB1#258FB1

#258FB1 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.7% C 0.104 H 224.7°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#258FB1
RGB	rgb(37, 143, 177)
HSL	hsl(195, 65%, 42%)
HSV	hsv(195, 79%, 69%)
CMYK	cmyk(79.1%, 19.2%, 0%, 30.6%)
CIE-LAB	lab(55.29, -17.42, -26.16)
CIE-LCH	lch(55.29, 31.43, 236.35°)
OKLab	oklab(60.73% -0.0742 -0.0734)
OKLCH	oklch(60.73% 0.104 224.7)
XYZ	xyz(18.5179, 23.2103, 45.0905)
Luminance	0.2321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258FB1 #B14725

analogous

#25B18D #258FB1 #2549B1

triadic

#258FB1 #B1258F #8FB125

tetradic

#258FB1 #8D25B1 #B14725 #49B125

square

#258FB1 #8D25B1 #B14725 #49B125

split-complementary

#258FB1 #B12549 #B18D25

monochromatic

#103D4C #1A667E #258FB1 #3DB1D6 #6FC5E1

Accessibility & contrast

On white

3.72

#258FB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#258FB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258FB1

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258FB1	#FFFFFF	#000000	##000000
##258FB1	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB3

Deuteranopia (green-blind)

#6A7FB1

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #258fb1;
/* rgb */ color: rgb(37, 143, 177);
/* oklch */ color: oklch(60.7% 0.104 224.7);

Tailwind

colors: {
  custom: {
    50: '#77b0c8',
    500: '#258fb1',
    950: '#000000',
  },
}

SCSS

$custom: #258fb1;
$custom-light: #77b0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#258fb1",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 177
  },
  "hsl": {
    "h": 194.571,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.6073,
    "c": 0.10434,
    "h": 224.7
  },
  "luminance": 0.23213
}

Semantic roles & 50–950 ramp

primary

#258FB1

secondary

#C8816A

accent

#683FE8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258FB1

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

Preview Lab → · Contrast checker → · Palette generator →