#153B60#153B60

#153B60 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.078 H 250.6°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#153B60
RGB	rgb(21, 59, 96)
HSL	hsl(210, 64%, 23%)
HSV	hsv(210, 78%, 38%)
CMYK	cmyk(78.1%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.10, 0.83, -25.81)
CIE-LCH	lch(24.10, 25.83, 271.85°)
OKLab	oklab(34.54% -0.0258 -0.0734)
OKLCH	oklch(34.54% 0.078 250.6)
XYZ	xyz(3.9838, 4.1314, 11.6516)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B60 #603A15

analogous

#15605F #153B60 #151560

triadic

#153B60 #60153B #3B6015

tetradic

#153B60 #5F1560 #603A15 #156015

square

#153B60 #5F1560 #603A15 #156015

split-complementary

#153B60 #601515 #605F15

monochromatic

#050F19 #0A1C2E #153B60 #205A92 #2B79C4

Accessibility & contrast

On white

11.50

#153B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B60

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B60	#FFFFFF	#000000	##FFFFFF
##153B60	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3D62

Deuteranopia (green-blind)

#1F365F

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153b60;
/* rgb */ color: rgb(21, 59, 96);
/* oklch */ color: oklch(34.5% 0.078 250.6);

Tailwind

colors: {
  custom: {
    50: '#5e708d',
    500: '#153b60',
    950: '#000000',
  },
}

SCSS

$custom: #153b60;
$custom-light: #5e708d;
$custom-dark: #000000;

JSON

{
  "hex": "#153b60",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 209.6,
    "s": 64.103,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34541,
    "c": 0.07782,
    "h": 250.6
  },
  "luminance": 0.04132
}

Semantic roles & 50–950 ramp

primary

#153B60

secondary

#97683A

accent

#9341E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153B60

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

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