#258AAA#258AAA

#258AAA is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.100 H 224.2°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#258AAA
RGB	rgb(37, 138, 170)
HSL	hsl(194, 64%, 41%)
HSV	hsv(194, 78%, 67%)
CMYK	cmyk(78.2%, 18.8%, 0%, 33.3%)
CIE-LAB	lab(53.46, -17.11, -24.97)
CIE-LCH	lch(53.46, 30.27, 235.58°)
OKLab	oklab(59.17% -0.072 -0.07)
OKLCH	oklch(59.17% 0.1 224.2)
XYZ	xyz(17.1041, 21.4705, 41.2652)
Luminance	0.2147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258AAA #AA4525

analogous

#25AA87 #258AAA #2547AA

triadic

#258AAA #AA258A #8AAA25

tetradic

#258AAA #8725AA #AA4525 #47AA25

square

#258AAA #8725AA #AA4525 #47AA25

split-complementary

#258AAA #AA2547 #AA8725

monochromatic

#0F3845 #1A6178 #258AAA #38AED4 #6BC3DF

Accessibility & contrast

On white

3.97

#258AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#258AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258AAA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258AAA	#FFFFFF	#000000	##000000
##258AAA	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AC

Deuteranopia (green-blind)

#667AAA

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258aaa;
/* rgb */ color: rgb(37, 138, 170);
/* oklch */ color: oklch(59.2% 0.100 224.2);

Tailwind

colors: {
  custom: {
    50: '#75acc3',
    500: '#258aaa',
    950: '#000000',
  },
}

SCSS

$custom: #258aaa;
$custom-light: #75acc3;
$custom-dark: #000000;

JSON

{
  "hex": "#258aaa",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 170
  },
  "hsl": {
    "h": 194.436,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5917,
    "c": 0.10042,
    "h": 224.2
  },
  "luminance": 0.21473
}

Semantic roles & 50–950 ramp

primary

#258AAA

secondary

#C57D66

accent

#6941E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #258AAA

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

Preview Lab → · Contrast checker → · Palette generator →