#4F9FBD
Closest named color: Greyblue (#77A1B5). oklch(66.4% 0.09 225.2), rgb(79, 159, 189).
Aa
Black text reads best on this color (7.02:1).
About this color
#4F9FBD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.090 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 7.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #4F9FBD |
| RGB | rgb(79, 159, 189) |
| HSL | hsl(196, 45%, 53%) |
| OKLCH | oklch(66.4% 0.09 225.2) |
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 #4F9FBD | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #4F9FBD | 7.02:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #4F9FBD text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #4F9FBD text on black | 7.02:1 | AAA | Lc -45.4 | 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 500.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A3C7D6
oklch(80.8% 0.044 225.1)
-
Step 400
400
#6FAAC2
oklch(70.6% 0.071 225.6)
-
Step 500
500 (this color)
#4F9FBD
oklch(66.4% 0.09 225.2)
-
Step 600
600
#1C7F9E
oklch(55.7% 0.097 224.6)
-
Step 700
700
#096B87
oklch(49.1% 0.09 224.6)
-
Step 800
800
#10576E
oklch(42.7% 0.075 225.5)
-
Step 900
900
#184859
oklch(37.7% 0.058 225.1)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#4F9FBD 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) | #8F9CBF | 0.070 |
| Deuteranopia (no green cones) | #7F90BD | 0.062 |
| Tritanopia (no blue cones) | #00A8A9 | 0.057 |
| Achromatopsia (no color) | #959595 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F9FBD
#4F9FBD
oklch(66.4% 0.09 225.2)
- #C28265
#C28265
oklch(66.5% 0.09 45.1)
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 #4F9FBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.044
- Turquoise Blue #06B1C4 ΔE 0.053
- Faded Blue #658CBB ΔE 0.055
- Silver Lake Blue #778DA9 ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.061
- Blue Grey #758DA3 ΔE 0.061
- Bluey Grey #89A0B0 ΔE 0.064
Use #4F9FBD 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.