#538BB9#538BB9

#538BB9 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.092 H 244.8°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#538BB9
RGB	rgb(83, 139, 185)
HSL	hsl(207, 42%, 53%)
HSV	hsv(207, 55%, 73%)
CMYK	cmyk(55.1%, 24.9%, 0%, 27.5%)
CIE-LAB	lab(55.89, -4.98, -29.68)
CIE-LCH	lch(55.89, 30.09, 260.48°)
OKLab	oklab(61.73% -0.039 -0.0831)
OKLCH	oklch(61.73% 0.092 244.8)
XYZ	xyz(21.5537, 23.8052, 49.3486)
Luminance	0.2381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB9 #B98153

analogous

#53B9B4 #538BB9 #5358B9

triadic

#538BB9 #B9538B #8BB953

tetradic

#538BB9 #B453B9 #B98153 #58B953

square

#538BB9 #B453B9 #B98153 #58B953

split-complementary

#538BB9 #B95358 #B9B453

monochromatic

#2A4C67 #3C6C93 #538BB9 #7EA8CB #AAC6DC

Accessibility & contrast

On white

3.64

#538BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#538BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB9

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB9	#FFFFFF	#000000	##000000
##538BB9	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778CBB

Deuteranopia (green-blind)

#6A81B8

Tritanopia (blue-blind)

#07969B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #538bb9;
/* rgb */ color: rgb(83, 139, 185);
/* oklch */ color: oklch(61.7% 0.092 244.8);

Tailwind

colors: {
  custom: {
    50: '#8bacce',
    500: '#538bb9',
    950: '#000000',
  },
}

SCSS

$custom: #538bb9;
$custom-light: #8bacce;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb9",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 185
  },
  "hsl": {
    "h": 207.059,
    "s": 42.149,
    "l": 52.549
  },
  "oklch": {
    "l": 0.61731,
    "c": 0.0918,
    "h": 244.8
  },
  "luminance": 0.23807
}

Semantic roles & 50–950 ramp

primary

#538BB9

secondary

#CAB29E

accent

#8E56D2

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB9

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

Preview Lab → · Contrast checker → · Palette generator →