#2D597B#2D597B

#2D597B is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.8% C 0.074 H 243.9°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#2D597B
RGB	rgb(45, 89, 123)
HSL	hsl(206, 46%, 33%)
HSV	hsv(206, 63%, 48%)
CMYK	cmyk(63.4%, 27.6%, 0%, 51.8%)
CIE-LAB	lab(36.24, -3.97, -23.75)
CIE-LCH	lch(36.24, 24.08, 260.51°)
OKLab	oklab(44.83% -0.0327 -0.0667)
OKLCH	oklch(44.83% 0.074 243.9)
XYZ	xyz(8.2284, 9.1319, 20.0641)
Luminance	0.0913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D597B #7B4F2D

analogous

#2D7B76 #2D597B #2D327B

triadic

#2D597B #7B2D59 #597B2D

tetradic

#2D597B #762D7B #7B4F2D #327B2D

square

#2D597B #762D7B #7B4F2D #327B2D

split-complementary

#2D597B #7B2D32 #7B762D

monochromatic

#0C1821 #1D394E #2D597B #3D79A8 #5E98C4

Accessibility & contrast

On white

7.43

#2D597B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#2D597B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D597B

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D597B	#FFFFFF	#000000	##FFFFFF
##2D597B	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5A7D

Deuteranopia (green-blind)

#3F527A

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2d597b;
/* rgb */ color: rgb(45, 89, 123);
/* oklch */ color: oklch(44.8% 0.074 243.9);

Tailwind

colors: {
  custom: {
    50: '#6e87a1',
    500: '#2d597b',
    950: '#000000',
  },
}

SCSS

$custom: #2d597b;
$custom-light: #6e87a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d597b",
  "rgb": {
    "r": 45,
    "g": 89,
    "b": 123
  },
  "hsl": {
    "h": 206.154,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.44831,
    "c": 0.07433,
    "h": 243.9
  },
  "luminance": 0.09133
}

Semantic roles & 50–950 ramp

primary

#2D597B

secondary

#AB7D59

accent

#8B52D6

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#080B0F

muted

#7B7C7E

Preview Lab

Preview with #2D597B

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

Preview Lab → · Contrast checker → · Palette generator →