#258DBC#258DBC

#258DBC is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.8% C 0.115 H 233.5°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#258DBC
RGB	rgb(37, 141, 188)
HSL	hsl(199, 67%, 44%)
HSV	hsv(199, 80%, 74%)
CMYK	cmyk(80.3%, 25%, 0%, 26.3%)
CIE-LAB	lab(55.15, -12.47, -32.66)
CIE-LCH	lch(55.15, 34.96, 249.10°)
OKLab	oklab(60.77% -0.0682 -0.0921)
OKLCH	oklch(60.77% 0.115 233.5)
XYZ	xyz(19.3613, 23.0715, 51.0000)
Luminance	0.2307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258DBC #BC5425

analogous

#25BC9F #258DBC #2542BC

triadic

#258DBC #BC258D #8DBC25

tetradic

#258DBC #9F25BC #BC5425 #42BC25

square

#258DBC #9F25BC #BC5425 #42BC25

split-complementary

#258DBC #BC2542 #BC9F25

monochromatic

#114056 #1B6789 #258DBC #44ABDA #77C2E4

Accessibility & contrast

On white

3.74

#258DBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#258DBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258DBC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258DBC	#FFFFFF	#000000	##000000
##258DBC	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768CBE

Deuteranopia (green-blind)

#627EBB

Tritanopia (blue-blind)

#00999D

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #258dbc;
/* rgb */ color: rgb(37, 141, 188);
/* oklch */ color: oklch(60.8% 0.115 233.5);

Tailwind

colors: {
  custom: {
    50: '#78aed0',
    500: '#258dbc',
    950: '#000000',
  },
}

SCSS

$custom: #258dbc;
$custom-light: #78aed0;
$custom-dark: #000000;

JSON

{
  "hex": "#258dbc",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 188
  },
  "hsl": {
    "h": 198.675,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.6077,
    "c": 0.11464,
    "h": 233.5
  },
  "luminance": 0.23074
}

Semantic roles & 50–950 ramp

primary

#258DBC

secondary

#CC8D71

accent

#733EEA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1014

muted

#7C7F82

Preview Lab

Preview with #258DBC

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

Preview Lab → · Contrast checker → · Palette generator →