#669BA2

Closest named color: Cadet Blue (#5F9EA0). oklch(65.5% 0.057 206.4), rgb(102, 155, 162).

Black text reads best on this color (6.77:1).

About this color

#669BA2 is a medium-light, muted teal or cyan. In OKLCH its lightness is 65%, its chroma 0.057 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.012 away. Black text reads best on it, at 6.77:1.

Hue family	Teals and cyans
Lightness	medium-light (65%)
Chroma	muted (0.057)
Temperature	cool
Nearest name	Cadet Blue (#5F9EA0)
Black text	6.77:1
White text	3.09:1

Values

HEX	#669BA2
RGB	rgb(102, 155, 162)
HSL	hsl(187, 24%, 52%)
OKLCH	oklch(65.5% 0.057 206.4)

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 #669BA2	3.09:1	AA large text	Lc -63.3	Content text, not long reading
Black text on #669BA2	6.77:1	AA	Lc 46.2	Large or bold text, headings
#669BA2 text on white	3.09:1	AA large text	Lc 57.9	Large or bold text, headings
#669BA2 text on black	6.77:1	AA	Lc -43.9	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 500.

Step 50
50

#F3F6F7

oklch(97.1% 0.003 219.5)
Step 100
100

#E4EBEC

oklch(93.5% 0.008 207.1)
Step 200
200

#CEDCDE

oklch(88.4% 0.015 207.1)
Step 300
300

#ADC6C9

oklch(80.9% 0.027 205.4)
Step 400
400

#80A9AE

oklch(70.7% 0.045 205.5)
Step 500
500 (this color)

#669BA2

oklch(65.5% 0.057 206.4)
Step 600
600

#447E85

oklch(55.6% 0.062 205.7)
Step 700
700

#356A71

oklch(49.1% 0.057 206.7)
Step 800
800

#2D575C

oklch(42.8% 0.048 205.5)
Step 900
900

#29474B

oklch(37.6% 0.036 206.5)
Step 950
950

#182A2C

oklch(27% 0.024 204.7)

Export this scale for Tailwind in the Tailwind colors tool

#669BA2 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)	#9397A3	0.056
Deuteranopia (no green cones)	#898FA2	0.052
Tritanopia (no blue cones)	#4E9F9D	0.027
Achromatopsia (no color)	#929292	0.057