#4FC4F7

Closest named color: Vivid Sky Blue (#4CC9F0). oklch(77.5% 0.126 230.4), rgb(79, 196, 247).

Black text reads best on this color (10.57:1).

About this color

#4FC4F7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.126 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.019 away. Black text reads best on it, at 10.57:1.

Hue family	Blues
Lightness	medium-light (77%)
Chroma	moderately saturated (0.126)
Temperature	cool
Nearest name	Vivid Sky Blue (#4CC9F0)
Black text	10.57:1
White text	1.98:1

Values

HEX	#4FC4F7
RGB	rgb(79, 196, 247)
HSL	hsl(198, 91%, 64%)
OKLCH	oklch(77.5% 0.126 230.4)

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 #4FC4F7	1.98:1	Fails	Lc -42.5	Non-text elements, placeholder text
Black text on #4FC4F7	10.57:1	AAA	Lc 65.8	Content text, not long reading
#4FC4F7 text on white	1.98:1	Fails	Lc 38.1	Non-text elements, placeholder text
#4FC4F7 text on black	10.57:1	AAA	Lc -64.3	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

#EBF8FF

oklch(97.1% 0.017 230.9)
Step 100
100

#D2EFFE

oklch(93.6% 0.037 230.2)
Step 200
200

#AAE2FF

oklch(88.4% 0.07 231.1)
Step 300
300 (this color)

#4FC4F7

oklch(77.5% 0.126 230.4)
Step 400
400

#00AFE8

oklch(70.7% 0.142 230.7)
Step 500
500

#0096C7

oklch(63.1% 0.126 230.5)
Step 600
600

#007EA8

oklch(55.6% 0.112 230.6)
Step 700
700

#006A8E

oklch(49.1% 0.099 230.6)
Step 800
800

#005775

oklch(42.8% 0.086 230.3)
Step 900
900

#004862

oklch(37.7% 0.076 230.8)
Step 950
950

#002B3C

oklch(27.1% 0.054 230.4)

Export this scale for Tailwind in the Tailwind colors tool

#4FC4F7 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)	#AAC1F9	0.087
Deuteranopia (no green cones)	#93B1F6	0.074
Tritanopia (no blue cones)	#00D2D5	0.076
Achromatopsia (no color)	#B8B8B8	0.127