#258FAA#258FAA

#258FAA is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.100 H 219.4°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#258FAA
RGB	rgb(37, 143, 170)
HSL	hsl(192, 64%, 41%)
HSV	hsv(192, 78%, 67%)
CMYK	cmyk(78.2%, 15.9%, 0%, 33.3%)
CIE-LAB	lab(55.01, -19.80, -22.59)
CIE-LCH	lch(55.01, 30.04, 228.76°)
OKLab	oklab(60.41% -0.0769 -0.0632)
OKLCH	oklch(60.41% 0.1 219.4)
XYZ	xyz(17.8380, 22.9383, 41.5098)
Luminance	0.2294 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258FAA #AA4025

analogous

#25AA82 #258FAA #254DAA

triadic

#258FAA #AA258F #8FAA25

tetradic

#258FAA #8225AA #AA4025 #4DAA25

square

#258FAA #8225AA #AA4025 #4DAA25

split-complementary

#258FAA #AA254D #AA8225

monochromatic

#0F3A45 #1A6578 #258FAA #38B4D4 #6BC7DF

Accessibility & contrast

On white

3.76

#258FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#258FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258FAA

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258FAA	#FFFFFF	#000000	##000000
##258FAA	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8BAB

Deuteranopia (green-blind)

#6D7EAA

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #258faa;
/* rgb */ color: rgb(37, 143, 170);
/* oklch */ color: oklch(60.4% 0.100 219.4);

Tailwind

colors: {
  custom: {
    50: '#76b0c3',
    500: '#258faa',
    950: '#000000',
  },
}

SCSS

$custom: #258faa;
$custom-light: #76b0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#258faa",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 170
  },
  "hsl": {
    "h": 192.18,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.60413,
    "c": 0.09953,
    "h": 219.4
  },
  "luminance": 0.22941
}

Semantic roles & 50–950 ramp

primary

#258FAA

secondary

#C57966

accent

#6241E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258FAA

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

Preview Lab → · Contrast checker → · Palette generator →