#258EBA#258EBA

#258EBA is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.112 H 231.5°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#258EBA
RGB	rgb(37, 142, 186)
HSL	hsl(198, 67%, 44%)
HSV	hsv(198, 80%, 73%)
CMYK	cmyk(80.1%, 23.7%, 0%, 27.1%)
CIE-LAB	lab(55.36, -13.73, -31.18)
CIE-LCH	lch(55.36, 34.07, 246.23°)
OKLab	oklab(60.91% -0.0699 -0.0878)
OKLCH	oklch(60.91% 0.112 231.5)
XYZ	xyz(19.2953, 23.2821, 49.9218)
Luminance	0.2328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258EBA #BA5125

analogous

#25BA9B #258EBA #2543BA

triadic

#258EBA #BA258E #8EBA25

tetradic

#258EBA #9B25BA #BA5125 #43BA25

square

#258EBA #9B25BA #BA5125 #43BA25

split-complementary

#258EBA #BA2543 #BA9B25

monochromatic

#114054 #1B6787 #258EBA #43ADDA #76C3E4

Accessibility & contrast

On white

3.71

#258EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#258EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258EBA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258EBA	#FFFFFF	#000000	##000000
##258EBA	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788CBC

Deuteranopia (green-blind)

#647EB9

Tritanopia (blue-blind)

#009A9D

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #258eba;
/* rgb */ color: rgb(37, 142, 186);
/* oklch */ color: oklch(60.9% 0.112 231.5);

Tailwind

colors: {
  custom: {
    50: '#78afcf',
    500: '#258eba',
    950: '#000000',
  },
}

SCSS

$custom: #258eba;
$custom-light: #78afcf;
$custom-dark: #000000;

JSON

{
  "hex": "#258eba",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 186
  },
  "hsl": {
    "h": 197.718,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.60914,
    "c": 0.11225,
    "h": 231.5
  },
  "luminance": 0.23284
}

Semantic roles & 50–950 ramp

primary

#258EBA

secondary

#CB8B70

accent

#713EEA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #258EBA

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

Preview Lab → · Contrast checker → · Palette generator →