#258EBC#258EBC

#258EBC is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.0% C 0.114 H 232.7°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#258EBC
RGB	rgb(37, 142, 188)
HSL	hsl(198, 67%, 44%)
HSV	hsv(198, 80%, 74%)
CMYK	cmyk(80.3%, 24.5%, 0%, 26.3%)
CIE-LAB	lab(55.45, -13.03, -32.18)
CIE-LCH	lch(55.45, 34.72, 247.96°)
OKLab	oklab(61.01% -0.0692 -0.0907)
OKLCH	oklch(61.01% 0.114 232.7)
XYZ	xyz(19.5094, 23.3677, 51.0494)
Luminance	0.2337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258EBC #BC5325

analogous

#25BC9F #258EBC #2543BC

triadic

#258EBC #BC258E #8EBC25

tetradic

#258EBC #9F25BC #BC5325 #43BC25

square

#258EBC #9F25BC #BC5325 #43BC25

split-complementary

#258EBC #BC2543 #BC9F25

monochromatic

#114156 #1B6789 #258EBC #44ACDA #77C3E4

Accessibility & contrast

On white

3.70

#258EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#258EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258EBC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258EBC	#FFFFFF	#000000	##000000
##258EBC	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778DBE

Deuteranopia (green-blind)

#637FBB

Tritanopia (blue-blind)

#009A9E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #258ebc;
/* rgb */ color: rgb(37, 142, 188);
/* oklch */ color: oklch(61.0% 0.114 232.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#258ebc",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 188
  },
  "hsl": {
    "h": 198.278,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.61012,
    "c": 0.11409,
    "h": 232.7
  },
  "luminance": 0.2337
}

Semantic roles & 50–950 ramp

primary

#258EBC

secondary

#CC8D71

accent

#723EEA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1014

muted

#7C7F82

Preview Lab

Preview with #258EBC

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

Preview Lab → · Contrast checker → · Palette generator →