#4F8FA1
Closest named color: Dusty Blue (#5A86AD). oklch(61.4% 0.071 218.1), rgb(79, 143, 161).
Aa
Black text reads best on this color (5.77:1).
About this color
#4F8FA1 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.071 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.038 away. Black text reads best on it, at 5.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #4F8FA1 |
| RGB | rgb(79, 143, 161) |
| HSL | hsl(193, 34%, 47%) |
| OKLCH | oklch(61.4% 0.071 218.1) |
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 #4F8FA1 | 3.63:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #4F8FA1 | 5.77:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #4F8FA1 text on white | 3.63:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #4F8FA1 text on black | 5.77:1 | AA | Lc -37.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#A9C7D0
oklch(81% 0.035 217.8)
-
Step 400
400
#79A9B8
oklch(70.6% 0.056 219.2)
-
Step 500
500 (this color)
#4F8FA1
oklch(61.4% 0.071 218.1)
-
Step 600
600
#367E91
oklch(55.5% 0.077 217.9)
-
Step 700
700
#276A7C
oklch(49% 0.072 218.8)
-
Step 800
800
#235765
oklch(42.8% 0.059 218.3)
-
Step 900
900
#224852
oklch(37.8% 0.046 217.1)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#4F8FA1 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) | #838CA2 | 0.061 |
| Deuteranopia (no green cones) | #7782A1 | 0.056 |
| Tritanopia (no blue cones) | #1F9595 | 0.043 |
| Achromatopsia (no color) | #868686 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F8FA1
#4F8FA1
oklch(61.4% 0.071 218.1)
- #AA7665
#AA7665
oklch(61.5% 0.071 38.9)
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 #4F8FA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.038
- Blue Grey #758DA3 ΔE 0.043
- Off Blue #5684AE ΔE 0.043
- Teal Green #0A9396 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.045
- Steel #738595 ΔE 0.045
- Sea #3C9992 ΔE 0.045
- Light Slate Gray #778899 ΔE 0.046
Use #4F8FA1 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.