#519EAC
Closest named color: Cadet Blue (#5F9EA0). oklch(65.6% 0.079 210.8), rgb(81, 158, 172).
Aa
Black text reads best on this color (6.83:1).
About this color
#519EAC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.079 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.021 away. Black text reads best on it, at 6.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.83:1 |
| White text | 3.07:1 |
Values
| HEX | #519EAC |
| RGB | rgb(81, 158, 172) |
| HSL | hsl(189, 36%, 50%) |
| OKLCH | oklch(65.6% 0.079 210.8) |
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 #519EAC | 3.07:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #519EAC | 6.83:1 | AA | Lc 46.6 | Large or bold text, headings |
| #519EAC text on white | 3.07:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #519EAC text on black | 6.83:1 | AA | Lc -44.3 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A5C8CF
oklch(81% 0.039 211.1)
-
Step 400
400
#72ABB6
oklch(70.6% 0.061 211)
-
Step 500
500 (this color)
#519EAC
oklch(65.6% 0.079 210.8)
-
Step 600
600
#25818F
oklch(55.7% 0.085 209.8)
-
Step 700
700
#156D7A
oklch(49.2% 0.079 210.2)
-
Step 800
800
#165863
oklch(42.6% 0.066 211.2)
-
Step 900
900
#1B4951
oklch(37.7% 0.051 210.7)
-
Step 950
950
#112B2F
oklch(27% 0.033 208.6)
#519EAC 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) | #9299AD | 0.074 |
| Deuteranopia (no green cones) | #848EAC | 0.069 |
| Tritanopia (no blue cones) | #0BA4A2 | 0.043 |
| Achromatopsia (no color) | #939393 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #519EAC
#519EAC
oklch(65.6% 0.079 210.8)
- #BC7F74
#BC7F74
oklch(65.6% 0.078 30.6)
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 #519EAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.021
- Greyblue #77A1B5 ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.044
- Sea #3C9992 ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.049
- Persian Green #2A9D8F ΔE 0.055
- Blue Grey #758DA3 ΔE 0.055
- Turquoise Blue #06B1C4 ΔE 0.057
Use #519EAC 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.