#5191A2
Closest named color: Blue Grey (#758DA3). oklch(62% 0.07 217), rgb(81, 145, 162).
Aa
Black text reads best on this color (5.92:1).
About this color
#5191A2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.070 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.041 away. Black text reads best on it, at 5.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #5191A2 |
| RGB | rgb(81, 145, 162) |
| HSL | hsl(193, 33%, 48%) |
| OKLCH | oklch(62% 0.07 217) |
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 #5191A2 | 3.54:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #5191A2 | 5.92:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #5191A2 text on white | 3.54:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #5191A2 text on black | 5.92:1 | AA | Lc -38.8 | 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
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE1
oklch(88.6% 0.019 213.4)
-
Step 300
300
#A9C7CF
oklch(81% 0.034 215.6)
-
Step 400
400
#79AAB7
oklch(70.8% 0.055 216)
-
Step 500
500 (this color)
#5191A2
oklch(62% 0.07 217)
-
Step 600
600
#367E90
oklch(55.5% 0.076 216.8)
-
Step 700
700
#276B7B
oklch(49.2% 0.071 216.2)
-
Step 800
800
#235764
oklch(42.7% 0.059 216.8)
-
Step 900
900
#224851
oklch(37.8% 0.046 215.1)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#5191A2 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) | #868DA3 | 0.063 |
| Deuteranopia (no green cones) | #7984A2 | 0.056 |
| Tritanopia (no blue cones) | #239796 | 0.043 |
| Achromatopsia (no color) | #888888 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5191A2
#5191A2
oklch(62% 0.07 217)
- #AC7768
#AC7768
oklch(61.9% 0.071 36.5)
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 #5191A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.041
- Sea #3C9992 ΔE 0.043
- Cadet Blue #5F9EA0 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.045
- Teal Green #0A9396 ΔE 0.046
- Light Slate Gray #778899 ΔE 0.046
- Silver Lake Blue #778DA9 ΔE 0.046
Use #5191A2 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.