#52999E
Closest named color: Cadet Blue (#5F9EA0). oklch(63.9% 0.072 201.5), rgb(82, 153, 158).
Aa
Black text reads best on this color (6.40:1).
About this color
#52999E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.072 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.020 away. Black text reads best on it, at 6.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #52999E |
| RGB | rgb(82, 153, 158) |
| HSL | hsl(184, 32%, 47%) |
| OKLCH | oklch(63.9% 0.072 201.5) |
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 #52999E | 3.27:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #52999E | 6.40:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #52999E text on white | 3.27:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #52999E text on black | 6.40:1 | AA | Lc -41.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A7C8CA
oklch(80.9% 0.035 201)
-
Step 400
400
#76ABAF
oklch(70.6% 0.056 201.9)
-
Step 500
500 (this color)
#52999E
oklch(63.9% 0.072 201.5)
-
Step 600
600
#2F8186
oklch(55.6% 0.078 200.9)
-
Step 700
700
#206D72
oklch(49.1% 0.073 201.4)
-
Step 800
800
#1E595D
oklch(42.8% 0.06 201.5)
-
Step 900
900
#1F494C
oklch(37.7% 0.047 201.6)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#52999E 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) | #90949E | 0.073 |
| Deuteranopia (no green cones) | #838A9E | 0.067 |
| Tritanopia (no blue cones) | #279E9A | 0.032 |
| Achromatopsia (no color) | #8E8E8E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52999E
#52999E
oklch(63.9% 0.072 201.5)
- #B37A79
#B37A79
oklch(63.7% 0.072 20.4)
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 #52999E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.020
- Sea #3C9992 ΔE 0.027
- Dull Teal #5F9E8F ΔE 0.033
- Grey Teal #5E9B8A ΔE 0.033
- Persian Green #2A9D8F ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.041
- Teal Green #0A9396 ΔE 0.047
- Blue Green #0F9B8E ΔE 0.048
Use #52999E 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.