#4F97AB
Closest named color: Cadet Blue (#5F9EA0). oklch(63.8% 0.078 218.2), rgb(79, 151, 171).
Aa
Black text reads best on this color (6.34:1).
About this color
#4F97AB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.078 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.034 away. Black text reads best on it, at 6.34:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.34:1 |
| White text | 3.30:1 |
Values
| HEX | #4F97AB |
| RGB | rgb(79, 151, 171) |
| HSL | hsl(193, 37%, 49%) |
| OKLCH | oklch(63.8% 0.078 218.2) |
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 #4F97AB | 3.30:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #4F97AB | 6.34:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #4F97AB text on white | 3.30:1 | AA large text | Lc 60.3 | Content text, not long reading |
| #4F97AB text on black | 6.34:1 | AA | Lc -41.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A6C7D1
oklch(80.9% 0.038 218.1)
-
Step 400
400
#74AABA
oklch(70.6% 0.061 218.3)
-
Step 500
500 (this color)
#4F97AB
oklch(63.8% 0.078 218.2)
-
Step 600
600
#2B7F94
oklch(55.6% 0.085 217.8)
-
Step 700
700
#1C6B7E
oklch(49% 0.079 217.9)
-
Step 800
800
#1B5767
oklch(42.6% 0.065 219.2)
-
Step 900
900
#1D4854
oklch(37.7% 0.051 218.9)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#4F97AB 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) | #8A93AC | 0.067 |
| Deuteranopia (no green cones) | #7C89AB | 0.060 |
| Tritanopia (no blue cones) | #059E9D | 0.049 |
| Achromatopsia (no color) | #8D8D8D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F97AB
#4F97AB
oklch(63.8% 0.078 218.2)
- #B57B69
#B57B69
oklch(63.8% 0.078 38)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4F97AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.034
- Blue Grey #758DA3 ΔE 0.045
- Sea #3C9992 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.048
- Faded Blue #658CBB ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.050
- Teal Green #0A9396 ΔE 0.053
- Dull Teal #5F9E8F ΔE 0.054
Use #4F97AB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.