#258DB1#258DB1

#258DB1 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.2% C 0.105 H 226.5°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#258DB1
RGB	rgb(37, 141, 177)
HSL	hsl(195, 65%, 42%)
HSV	hsv(195, 79%, 69%)
CMYK	cmyk(79.1%, 20.3%, 0%, 30.6%)
CIE-LAB	lab(54.67, -16.33, -27.11)
CIE-LCH	lch(54.67, 31.65, 238.94°)
OKLab	oklab(60.24% -0.0722 -0.0761)
OKLCH	oklch(60.24% 0.105 226.5)
XYZ	xyz(18.2204, 22.6152, 44.9913)
Luminance	0.2262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DB1 #B14925

analogous

#25B18F #258DB1 #2547B1

triadic

#258DB1 #B1258D #8DB125

tetradic

#258DB1 #8F25B1 #B14925 #47B125

square

#258DB1 #8F25B1 #B14925 #47B125

split-complementary

#258DB1 #B12547 #B18F25

monochromatic

#103C4C #1A657E #258DB1 #3DAFD6 #6FC4E1

Accessibility & contrast

On white

3.80

#258DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#258DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DB1

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DB1	#FFFFFF	#000000	##000000
##258DB1	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8AB3

Deuteranopia (green-blind)

#677DB1

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #258db1;
/* rgb */ color: rgb(37, 141, 177);
/* oklch */ color: oklch(60.2% 0.105 226.5);

Tailwind

colors: {
  custom: {
    50: '#76aec8',
    500: '#258db1',
    950: '#000000',
  },
}

SCSS

$custom: #258db1;
$custom-light: #76aec8;
$custom-dark: #000000;

JSON

{
  "hex": "#258db1",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 177
  },
  "hsl": {
    "h": 195.429,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60237,
    "c": 0.10495,
    "h": 226.5
  },
  "luminance": 0.22617
}

Semantic roles & 50–950 ramp

primary

#258DB1

secondary

#C8826A

accent

#6B3FE8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258DB1

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

Preview Lab → · Contrast checker → · Palette generator →