#5DBDF3

Closest named color: Vivid Sky Blue (#4CC9F0). oklch(76.2% 0.119 235.9), rgb(93, 189, 243).

Black text reads best on this color (10.03:1).

About this color

#5DBDF3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.119 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.035 away. Black text reads best on it, at 10.03:1.

Hue family	Blues
Lightness	medium-light (76%)
Chroma	moderately saturated (0.119)
Temperature	cool
Nearest name	Vivid Sky Blue (#4CC9F0)
Black text	10.03:1
White text	2.09:1

Values

HEX	#5DBDF3
RGB	rgb(93, 189, 243)
HSL	hsl(202, 86%, 66%)
OKLCH	oklch(76.2% 0.119 235.9)

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 #5DBDF3	2.09:1	Fails	Lc -45.3	Large or bold text, headings
Black text on #5DBDF3	10.03:1	AAA	Lc 63.3	Content text, not long reading
#5DBDF3 text on white	2.09:1	Fails	Lc 40.7	Non-text elements, placeholder text
#5DBDF3 text on black	10.03:1	AAA	Lc -61.6	Content text, not long reading

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 300.

Step 50
50

#ECF7FF

oklch(97% 0.016 239.1)
Step 100
100

#D5EEFE

oklch(93.6% 0.034 235.9)
Step 200
200

#B0E1FF

oklch(88.6% 0.065 235.4)
Step 300
300 (this color)

#5DBDF3

oklch(76.2% 0.119 235.9)
Step 400
400

#00ADF2

oklch(70.7% 0.152 236.1)
Step 500
500

#0094D0

oklch(63.1% 0.136 236.2)
Step 600
600

#007CAF

oklch(55.5% 0.12 236.1)
Step 700
700

#006994

oklch(49.2% 0.105 235.5)
Step 800
800

#00567A

oklch(42.8% 0.091 235.4)
Step 900
900

#004766

oklch(37.6% 0.081 235.8)
Step 950
950

#002A3F

oklch(27% 0.059 236.5)

Export this scale for Tailwind in the Tailwind colors tool

#5DBDF3 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)	#A3BCF6	0.072
Deuteranopia (no green cones)	#8FADF2	0.060
Tritanopia (no blue cones)	#00CBCF	0.083
Achromatopsia (no color)	#B3B3B3	0.119