#4B9FAC
Closest named color: Cadet Blue (#5F9EA0). oklch(65.6% 0.083 208.8), rgb(75, 159, 172).
Aa
Black text reads best on this color (6.85:1).
About this color
#4B9FAC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.083 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.023 away. Black text reads best on it, at 6.85:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.85:1 |
| White text | 3.06:1 |
Values
| HEX | #4B9FAC |
| RGB | rgb(75, 159, 172) |
| HSL | hsl(188, 39%, 48%) |
| OKLCH | oklch(65.6% 0.083 208.8) |
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 #4B9FAC | 3.06:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #4B9FAC | 6.85:1 | AA | Lc 46.7 | Large or bold text, headings |
| #4B9FAC text on white | 3.06:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #4B9FAC text on black | 6.85:1 | AA | Lc -44.5 | 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
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE1
oklch(88.6% 0.023 207.1)
-
Step 300
300
#A3C8CF
oklch(80.8% 0.041 210.4)
-
Step 400
400
#6FACB6
oklch(70.7% 0.065 208.9)
-
Step 500
500 (this color)
#4B9FAC
oklch(65.6% 0.083 208.8)
-
Step 600
600
#18828F
oklch(55.7% 0.09 207.8)
-
Step 700
700
#036D7A
oklch(49% 0.084 209.2)
-
Step 800
800
#0D5963
oklch(42.6% 0.069 208.8)
-
Step 900
900
#174951
oklch(37.6% 0.054 209.9)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#4B9FAC 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) | #939AAD | 0.080 |
| Deuteranopia (no green cones) | #848EAC | 0.074 |
| Tritanopia (no blue cones) | #00A5A3 | 0.039 |
| Achromatopsia (no color) | #939393 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B9FAC
#4B9FAC
oklch(65.6% 0.083 208.8)
- #BE7D74
#BE7D74
oklch(65.5% 0.083 28.2)
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 #4B9FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.023
- Sea #3C9992 ΔE 0.043
- Dull Teal #5F9E8F ΔE 0.044
- Greyblue #77A1B5 ΔE 0.048
- Grey Teal #5E9B8A ΔE 0.049
- Persian Green #2A9D8F ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.054
- Light Sea Green #20B2AA ΔE 0.058
Use #4B9FAC 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.