#549E9B
Closest named color: Cadet Blue (#5F9EA0). oklch(65.1% 0.074 192), rgb(84, 158, 155).
Aa
Black text reads best on this color (6.74:1).
About this color
#549E9B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.074 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.014 away. Black text reads best on it, at 6.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.74:1 |
| White text | 3.11:1 |
Values
| HEX | #549E9B |
| RGB | rgb(84, 158, 155) |
| HSL | hsl(178, 31%, 47%) |
| OKLCH | oklch(65.1% 0.074 192) |
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 #549E9B | 3.11:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #549E9B | 6.74:1 | AA | Lc 46.0 | Large or bold text, headings |
| #549E9B text on white | 3.11:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #549E9B text on black | 6.74:1 | AA | Lc -43.7 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A7C8C6
oklch(80.8% 0.035 192)
-
Step 400
400
#75ADAA
oklch(70.8% 0.059 191.7)
-
Step 500
500 (this color)
#549E9B
oklch(65.1% 0.074 192)
-
Step 600
600
#2C827F
oklch(55.5% 0.081 191.8)
-
Step 700
700
#1D6E6C
oklch(49.1% 0.075 192.6)
-
Step 800
800
#1B5A58
oklch(42.8% 0.063 192)
-
Step 900
900
#1E4A48
oklch(37.8% 0.049 191.3)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#549E9B 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) | #96979B | 0.078 |
| Deuteranopia (no green cones) | #898E9C | 0.073 |
| Tritanopia (no blue cones) | #2DA29D | 0.026 |
| Achromatopsia (no color) | #929292 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #549E9B
#549E9B
oklch(65.1% 0.074 192)
- #B87D83
#B87D83
oklch(65.1% 0.074 12.6)
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 #549E9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.014
- Dull Teal #5F9E8F ΔE 0.019
- Grey Teal #5E9B8A ΔE 0.024
- Sea #3C9992 ΔE 0.029
- Persian Green #2A9D8F ΔE 0.037
- Blue Green #0F9B8E ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.047
- Teal Green #0A9396 ΔE 0.056
Use #549E9B 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.