#4F8DA4
Closest named color: Dusty Blue (#5A86AD). oklch(61.1% 0.073 224.2), rgb(79, 141, 164).
Aa
Black text reads best on this color (5.67:1).
About this color
#4F8DA4 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.073 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.030 away. Black text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #4F8DA4 |
| RGB | rgb(79, 141, 164) |
| HSL | hsl(196, 35%, 48%) |
| OKLCH | oklch(61.1% 0.073 224.2) |
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 #4F8DA4 | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #4F8DA4 | 5.67:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #4F8DA4 text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #4F8DA4 text on black | 5.67:1 | AA | Lc -37.2 | 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
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE3
oklch(88.5% 0.02 225.7)
-
Step 300
300
#A9C6D2
oklch(80.9% 0.036 224.7)
-
Step 400
400
#7AA9BB
oklch(70.8% 0.057 223.7)
-
Step 500
500 (this color)
#4F8DA4
oklch(61.1% 0.073 224.2)
-
Step 600
600
#377D96
oklch(55.6% 0.08 224.5)
-
Step 700
700
#296980
oklch(49% 0.074 225.2)
-
Step 800
800
#245668
oklch(42.7% 0.061 224.7)
-
Step 900
900
#234754
oklch(37.7% 0.047 223.8)
-
Step 950
950
#152A31
oklch(27.1% 0.03 221.5)
#4F8DA4 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) | #808AA5 | 0.058 |
| Deuteranopia (no green cones) | #7481A4 | 0.052 |
| Tritanopia (no blue cones) | #1C9494 | 0.050 |
| Achromatopsia (no color) | #858585 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F8DA4
#4F8DA4
oklch(61.1% 0.073 224.2)
- #A9755F
#A9755F
oklch(61% 0.073 43.8)
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 #4F8DA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.030
- Off Blue #5684AE ΔE 0.035
- Blue Grey #758DA3 ΔE 0.043
- Blue NCS #118AB2 ΔE 0.044
- Steel #738595 ΔE 0.044
- Faded Blue #658CBB ΔE 0.045
- Light Slate Gray #778899 ΔE 0.046
- Teal Blue #01889F ΔE 0.047
Use #4F8DA4 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.