#30438B#30438B

#30438B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.8% C 0.122 H 269.3°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#30438B
RGB	rgb(48, 67, 139)
HSL	hsl(227, 49%, 37%)
HSV	hsv(227, 65%, 55%)
CMYK	cmyk(65.5%, 51.8%, 0%, 45.5%)
CIE-LAB	lab(30.66, 16.97, -42.45)
CIE-LCH	lch(30.66, 45.72, 291.78°)
OKLab	oklab(40.85% -0.0015 -0.1217)
OKLCH	oklch(40.85% 0.122 269.3)
XYZ	xyz(7.8847, 6.5061, 25.2614)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30438B #8B7830

analogous

#30718B #30438B #4B308B

triadic

#30438B #8B3043 #438B30

tetradic

#30438B #8B3071 #8B7830 #308B4B

square

#30438B #8B3071 #8B7830 #308B4B

split-complementary

#30438B #8B4B30 #718B30

monochromatic

#111730 #202D5E #30438B #4059B8 #6A7ECC

Accessibility & contrast

On white

9.12

#30438B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#30438B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30438B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30438B	#FFFFFF	#000000	##FFFFFF
##30438B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4C8E

Deuteranopia (green-blind)

#01448A

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #30438b;
/* rgb */ color: rgb(48, 67, 139);
/* oklch */ color: oklch(40.8% 0.122 269.3);

Tailwind

colors: {
  custom: {
    50: '#7276ad',
    500: '#30438b',
    950: '#000000',
  },
}

SCSS

$custom: #30438b;
$custom-light: #7276ad;
$custom-dark: #000000;

JSON

{
  "hex": "#30438b",
  "rgb": {
    "r": 48,
    "g": 67,
    "b": 139
  },
  "hsl": {
    "h": 227.473,
    "s": 48.663,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40847,
    "c": 0.12168,
    "h": 269.3
  },
  "luminance": 0.06507
}

Semantic roles & 50–950 ramp

primary

#30438B

secondary

#B3A264

accent

#BC50D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #30438B

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

Preview Lab → · Contrast checker → · Palette generator →