#4599AA
Closest named color: Cadet Blue (#5F9EA0). oklch(63.8% 0.084 212.9), rgb(69, 153, 170).
Aa
Black text reads best on this color (6.38:1).
About this color
#4599AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.084 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.033 away. Black text reads best on it, at 6.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #4599AA |
| RGB | rgb(69, 153, 170) |
| HSL | hsl(190, 42%, 47%) |
| OKLCH | oklch(63.8% 0.084 212.9) |
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 #4599AA | 3.28:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #4599AA | 6.38:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #4599AA text on white | 3.28:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #4599AA text on black | 6.38:1 | AA | Lc -41.7 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A3C8D1
oklch(80.9% 0.041 214.2)
-
Step 400
400
#6FACB9
oklch(70.8% 0.066 212.6)
-
Step 500
500 (this color)
#4599AA
oklch(63.8% 0.084 212.9)
-
Step 600
600
#188193
oklch(55.6% 0.092 212.7)
-
Step 700
700
#036D7D
oklch(49.1% 0.085 212.4)
-
Step 800
800
#0D5966
oklch(42.8% 0.071 212.7)
-
Step 900
900
#164953
oklch(37.7% 0.055 213.2)
-
Step 950
950
#0F2B31
oklch(27% 0.035 213.8)
#4599AA 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) | #8C94AB | 0.078 |
| Deuteranopia (no green cones) | #7D89AA | 0.071 |
| Tritanopia (no blue cones) | #00A09E | 0.041 |
| Achromatopsia (no color) | #8E8E8E | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4599AA
#4599AA
oklch(63.8% 0.084 212.9)
- #B9786A
#B9786A
oklch(63.7% 0.085 32.8)
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 #4599AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.033
- Sea #3C9992 ΔE 0.039
- Teal Green #0A9396 ΔE 0.047
- Persian Green #2A9D8F ΔE 0.051
- Dull Teal #5F9E8F ΔE 0.051
- Grey Teal #5E9B8A ΔE 0.053
- Blue Grey #758DA3 ΔE 0.054
- Dusty Teal #4C9085 ΔE 0.054
Use #4599AA 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.