#253E7C#253E7C

#253E7C is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.0% C 0.110 H 265.1°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#253E7C
RGB	rgb(37, 62, 124)
HSL	hsl(223, 54%, 32%)
HSV	hsv(223, 70%, 49%)
CMYK	cmyk(70.2%, 50%, 0%, 51.4%)
CIE-LAB	lab(27.55, 12.70, -38.15)
CIE-LCH	lch(27.55, 40.20, 288.41°)
OKLab	oklab(37.99% -0.0094 -0.1093)
OKLCH	oklch(37.99% 0.11 265.1)
XYZ	xyz(6.1224, 5.2932, 19.7639)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E7C #7C6325

analogous

#256A7C #253E7C #38257C

triadic

#253E7C #7C253E #3E7C25

tetradic

#253E7C #7C256A #7C6325 #257C38

square

#253E7C #7C256A #7C6325 #257C38

split-complementary

#253E7C #7C3825 #6A7C25

monochromatic

#090F1E #17264D #253E7C #3356AB #5074CB

Accessibility & contrast

On white

10.20

#253E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#253E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E7C

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E7C	#FFFFFF	#000000	##FFFFFF
##253E7C	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D457E

Deuteranopia (green-blind)

#083D7B

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253e7c;
/* rgb */ color: rgb(37, 62, 124);
/* oklch */ color: oklch(38.0% 0.110 265.1);

Tailwind

colors: {
  custom: {
    50: '#6a72a2',
    500: '#253e7c',
    950: '#000000',
  },
}

SCSS

$custom: #253e7c;
$custom-light: #6a72a2;
$custom-dark: #000000;

JSON

{
  "hex": "#253e7c",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 124
  },
  "hsl": {
    "h": 222.759,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37991,
    "c": 0.10973,
    "h": 265.1
  },
  "luminance": 0.05294
}

Semantic roles & 50–950 ramp

primary

#253E7C

secondary

#AE934F

accent

#B34ADD

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #253E7C

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

Preview Lab → · Contrast checker → · Palette generator →