#4FA3BD
Closest named color: Greyblue (#77A1B5). oklch(67.3% 0.09 220.9), rgb(79, 163, 189).
Aa
Black text reads best on this color (7.30:1).
About this color
#4FA3BD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.090 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.039 away. Black text reads best on it, at 7.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.30:1 |
| White text | 2.87:1 |
Values
| HEX | #4FA3BD |
| RGB | rgb(79, 163, 189) |
| HSL | hsl(194, 45%, 53%) |
| OKLCH | oklch(67.3% 0.09 220.9) |
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 #4FA3BD | 2.87:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #4FA3BD | 7.30:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #4FA3BD text on white | 2.87:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #4FA3BD text on black | 7.30:1 | AAA | Lc -47.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C4DEE8
oklch(88.5% 0.031 222.9)
-
Step 300
300
#99CADA
oklch(81% 0.056 219.9)
-
Step 400
400 (this color)
#4FA3BD
oklch(67.3% 0.09 220.9)
-
Step 500
500
#0898BA
oklch(63% 0.115 221.4)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#032B37
oklch(26.9% 0.048 223)
#4FA3BD 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) | #939FBE | 0.074 |
| Deuteranopia (no green cones) | #8393BD | 0.067 |
| Tritanopia (no blue cones) | #00ACAB | 0.054 |
| Achromatopsia (no color) | #989898 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA3BD
#4FA3BD
oklch(67.3% 0.09 220.9)
- #C6836B
#C6836B
oklch(67.3% 0.09 40.5)
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 #4FA3BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.042
- Turquoise Blue #06B1C4 ΔE 0.043
- Bluegrey #85A3B2 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.061
- Light Sea Green #20B2AA ΔE 0.063
- Faded Blue #658CBB ΔE 0.065
- Dull Teal #5F9E8F ΔE 0.066
Use #4FA3BD 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.