#5197A3
Closest named color: Cadet Blue (#5F9EA0). oklch(63.5% 0.073 209.9), rgb(81, 151, 163).
Aa
Black text reads best on this color (6.30:1).
About this color
#5197A3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.073 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.027 away. Black text reads best on it, at 6.30:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.30:1 |
| White text | 3.33:1 |
Values
| HEX | #5197A3 |
| RGB | rgb(81, 151, 163) |
| HSL | hsl(189, 34%, 48%) |
| OKLCH | oklch(63.5% 0.073 209.9) |
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 #5197A3 | 3.33:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #5197A3 | 6.30:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #5197A3 text on white | 3.33:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #5197A3 text on black | 6.30:1 | AA | Lc -41.1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A7C7CD
oklch(80.8% 0.035 210.2)
-
Step 400
400
#76ABB4
oklch(70.7% 0.057 209.2)
-
Step 500
500 (this color)
#5197A3
oklch(63.5% 0.073 209.9)
-
Step 600
600
#2F808D
oklch(55.6% 0.079 209.9)
-
Step 700
700
#216C78
oklch(49.2% 0.073 210.3)
-
Step 800
800
#1E5861
oklch(42.7% 0.061 209.4)
-
Step 900
900
#1F484F
oklch(37.5% 0.047 210.1)
-
Step 950
950
#132A2E
oklch(26.8% 0.03 210)
#5197A3 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) | #8C92A4 | 0.069 |
| Deuteranopia (no green cones) | #7F89A3 | 0.062 |
| Tritanopia (no blue cones) | #209D9B | 0.038 |
| Achromatopsia (no color) | #8D8D8D | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5197A3
#5197A3
oklch(63.5% 0.073 209.9)
- #B37A71
#B37A71
oklch(63.5% 0.073 29.2)
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 #5197A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.027
- Sea #3C9992 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.046
- Blue Grey #758DA3 ΔE 0.046
- Teal Green #0A9396 ΔE 0.047
- Persian Green #2A9D8F ΔE 0.049
Use #5197A3 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.