#234E8B#234E8B

#234E8B is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.7% C 0.112 H 257.6°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#234E8B
RGB	rgb(35, 78, 139)
HSL	hsl(215, 60%, 34%)
HSV	hsv(215, 75%, 55%)
CMYK	cmyk(74.8%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(33.28, 7.38, -38.27)
CIE-LCH	lch(33.28, 38.97, 280.92°)
OKLab	oklab(42.69% -0.024 -0.1094)
OKLCH	oklch(42.69% 0.112 257.6)
XYZ	xyz(8.0760, 7.6693, 25.4758)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234E8B #8B6023

analogous

#23828B #234E8B #2C238B

triadic

#234E8B #8B234E #4E8B23

tetradic

#234E8B #8B2382 #8B6023 #238B2C

square

#234E8B #8B2382 #8B6023 #238B2C

split-complementary

#234E8B #8B2C23 #828B23

monochromatic

#0A1729 #17335A #234E8B #2F69BC #5489D4

Accessibility & contrast

On white

8.29

#234E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#234E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234E8B

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234E8B	#FFFFFF	#000000	##FFFFFF
##234E8B	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30538D

Deuteranopia (green-blind)

#1E4A8A

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234e8b;
/* rgb */ color: rgb(35, 78, 139);
/* oklch */ color: oklch(42.7% 0.112 257.6);

Tailwind

colors: {
  custom: {
    50: '#6c7fad',
    500: '#234e8b',
    950: '#000000',
  },
}

SCSS

$custom: #234e8b;
$custom-light: #6c7fad;
$custom-dark: #000000;

JSON

{
  "hex": "#234e8b",
  "rgb": {
    "r": 35,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 215.192,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42694,
    "c": 0.11203,
    "h": 257.6
  },
  "luminance": 0.0767
}

Semantic roles & 50–950 ramp

primary

#234E8B

secondary

#B88E52

accent

#A245E3

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #234E8B

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

Preview Lab → · Contrast checker → · Palette generator →