#53858F

Closest named color: Grey Blue (#647D8E). oklch(58.5% 0.056 211.7), rgb(83, 133, 143).

Black text reads best on this color (5.11:1).

About this color

#53858F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.056 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.029 away. Black text reads best on it, at 5.11:1.

Hue family	Teals and cyans
Lightness	medium-dark (59%)
Chroma	muted (0.056)
Temperature	cool
Nearest name	Grey Blue (#647D8E)
Black text	5.11:1
White text	4.10:1

Values

HEX	#53858F
RGB	rgb(83, 133, 143)
HSL	hsl(190, 27%, 44%)
OKLCH	oklch(58.5% 0.056 211.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

Pair	WCAG 2	Result	APCA	APCA guidance
White text on #53858F	4.10:1	AA large text	Lc -73.6	Content text, not long reading
Black text on #53858F	5.11:1	AA	Lc 36.0	Non-text elements, placeholder text
#53858F text on white	4.10:1	AA large text	Lc 68.1	Content text, not long reading
#53858F text on black	5.11:1	AA	Lc -33.6	Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

Step 50
50

#F3F6F7

oklch(97.1% 0.003 219.5)
Step 100
100

#E5EBED

oklch(93.6% 0.007 219.6)
Step 200
200

#CFDCDE

oklch(88.5% 0.014 207.9)
Step 300
300

#AFC5CA

oklch(80.8% 0.025 212.9)
Step 400
400

#84A8AF

oklch(70.7% 0.041 210.8)
Step 500
500

#64929B

oklch(63% 0.052 211.1)
Step 600
600 (this color)

#53858F

oklch(58.5% 0.056 211.7)
Step 700
700

#3B6972

oklch(49.2% 0.052 211.6)
Step 800
800

#31555D

oklch(42.6% 0.043 213.5)
Step 900
900

#2C474C

oklch(37.8% 0.034 210.4)
Step 950
950

#1A292C

oklch(26.9% 0.021 211.4)

Export this scale for Tailwind in the Tailwind colors tool

#53858F with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

Vision	Seen as	Shift (ΔE)
Protanopia (no red cones)	#7D8290	0.053
Deuteranopia (no green cones)	#737A8F	0.048
Tritanopia (no blue cones)	#398988	0.030
Achromatopsia (no color)	#7D7D7D	0.056