#33507B#33507B

#33507B is a dark, moderate blue. Relative luminance 0.079; OKLCH L 42.9% C 0.080 H 258.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#33507B
RGB	rgb(51, 80, 123)
HSL	hsl(216, 41%, 34%)
HSV	hsv(216, 59%, 48%)
CMYK	cmyk(58.5%, 35%, 0%, 51.8%)
CIE-LAB	lab(33.71, 3.08, -27.68)
CIE-LCH	lch(33.71, 27.85, 276.35°)
OKLab	oklab(42.93% -0.0165 -0.0781)
OKLCH	oklch(42.93% 0.08 258.1)
XYZ	xyz(7.8078, 7.8706, 19.8428)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33507B #7B5E33

analogous

#33747B #33507B #3A337B

triadic

#33507B #7B3350 #507B33

tetradic

#33507B #7B3374 #7B5E33 #337B3A

square

#33507B #7B3374 #7B5E33 #337B3A

split-complementary

#33507B #7B3A33 #747B33

monochromatic

#0F1824 #213450 #33507B #456CA6 #688CC0

Accessibility & contrast

On white

8.16

#33507B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#33507B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33507B

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33507B	#FFFFFF	#000000	##FFFFFF
##33507B	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E537D

Deuteranopia (green-blind)

#354C7A

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #33507b;
/* rgb */ color: rgb(51, 80, 123);
/* oklch */ color: oklch(42.9% 0.080 258.1);

Tailwind

colors: {
  custom: {
    50: '#7180a1',
    500: '#33507b',
    950: '#000000',
  },
}

SCSS

$custom: #33507b;
$custom-light: #7180a1;
$custom-dark: #000000;

JSON

{
  "hex": "#33507b",
  "rgb": {
    "r": 51,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 215.833,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42929,
    "c": 0.07987,
    "h": 258.1
  },
  "luminance": 0.07871
}

Semantic roles & 50–950 ramp

primary

#33507B

secondary

#A88C62

accent

#A057D1

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #33507B

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

Preview Lab → · Contrast checker → · Palette generator →