#237AA5#237AA5

#237AA5 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.104 H 235.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#237AA5
RGB	rgb(35, 122, 165)
HSL	hsl(200, 65%, 39%)
HSV	hsv(200, 79%, 65%)
CMYK	cmyk(78.8%, 26.1%, 0%, 35.3%)
CIE-LAB	lab(48.25, -10.13, -30.17)
CIE-LCH	lch(48.25, 31.83, 251.44°)
OKLab	oklab(54.92% -0.059 -0.0851)
OKLCH	oklch(54.92% 0.104 235.3)
XYZ	xyz(14.4415, 16.9913, 38.1085)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237AA5 #A54E23

analogous

#23A58F #237AA5 #2339A5

triadic

#237AA5 #A5237A #7AA523

tetradic

#237AA5 #8F23A5 #A54E23 #39A523

square

#237AA5 #8F23A5 #A54E23 #39A523

split-complementary

#237AA5 #A52339 #A58F23

monochromatic

#0E2F40 #185573 #237AA5 #329ED3 #64B6DE

Accessibility & contrast

On white

4.77

#237AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#237AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237AA5

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237AA5	#FFFFFF	#000000	##FFFFFF
##237AA5	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6579A7

Deuteranopia (green-blind)

#546DA4

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #237aa5;
/* rgb */ color: rgb(35, 122, 165);
/* oklch */ color: oklch(54.9% 0.104 235.3);

Tailwind

colors: {
  custom: {
    50: '#73a0c0',
    500: '#237aa5',
    950: '#000000',
  },
}

SCSS

$custom: #237aa5;
$custom-light: #73a0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#237aa5",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 165
  },
  "hsl": {
    "h": 199.846,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.54921,
    "c": 0.10361,
    "h": 235.3
  },
  "luminance": 0.16993
}

Semantic roles & 50–950 ramp

primary

#237AA5

secondary

#C48160

accent

#7740E8

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237AA5

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

Preview Lab → · Contrast checker → · Palette generator →