#4B99AE
Closest named color: Cadet Blue (#5F9EA0). oklch(64.2% 0.083 217.8), rgb(75, 153, 174).
Aa
Black text reads best on this color (6.46:1).
About this color
#4B99AE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.083 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.034 away. Black text reads best on it, at 6.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.46:1 |
| White text | 3.24:1 |
Values
| HEX | #4B99AE |
| RGB | rgb(75, 153, 174) |
| HSL | hsl(193, 40%, 49%) |
| OKLCH | oklch(64.2% 0.083 217.8) |
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 #4B99AE | 3.24:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #4B99AE | 6.46:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #4B99AE text on white | 3.24:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #4B99AE text on black | 6.46:1 | AA | Lc -42.1 | 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A4C8D2
oklch(81% 0.041 216.5)
-
Step 400
400
#71ABBB
oklch(70.7% 0.065 217)
-
Step 500
500 (this color)
#4B99AE
oklch(64.2% 0.083 217.8)
-
Step 600
600
#228096
oklch(55.7% 0.09 217.4)
-
Step 700
700
#116C80
oklch(49.2% 0.084 217.5)
-
Step 800
800
#145868
oklch(42.7% 0.069 217.6)
-
Step 900
900
#1A4854
oklch(37.6% 0.053 217.9)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#4B99AE 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) | #8B95AF | 0.071 |
| Deuteranopia (no green cones) | #7D8AAE | 0.065 |
| Tritanopia (no blue cones) | #00A0A0 | 0.046 |
| Achromatopsia (no color) | #8F8F8F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B99AE
#4B99AE
oklch(64.2% 0.083 217.8)
- #B97B68
#B97B68
oklch(64.2% 0.083 37.8)
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 #4B99AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.034
- Sea #3C9992 ΔE 0.046
- Blue Grey #758DA3 ΔE 0.050
- Faded Blue #658CBB ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.052
- Greyblue #77A1B5 ΔE 0.054
- Teal Green #0A9396 ΔE 0.054
- Dusty Blue #5A86AD ΔE 0.055
Use #4B99AE 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.