#8397AC
Closest named color: Cool Gray (#8D99AE). oklch(66.8% 0.039 249.7), rgb(131, 151, 172).
Aa
Black text reads best on this color (6.98:1).
About this color
#8397AC is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.039 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.015 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #8397AC |
| RGB | rgb(131, 151, 172) |
| HSL | hsl(211, 20%, 59%) |
| OKLCH | oklch(66.8% 0.039 249.7) |
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 #8397AC | 3.00:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #8397AC | 6.98:1 | AA | Lc 47.3 | Large or bold text, headings |
| #8397AC text on white | 3.00:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #8397AC text on black | 6.98:1 | AA | Lc -45.0 | Large or bold text, headings |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CD
oklch(81% 0.019 250.6)
-
Step 400
400
#93A3B3
oklch(70.8% 0.03 248.2)
-
Step 500
500 (this color)
#8397AC
oklch(66.8% 0.039 249.7)
-
Step 600
600
#61768B
oklch(55.7% 0.041 248.6)
-
Step 700
700
#506376
oklch(49.1% 0.038 248.6)
-
Step 800
800
#425160
oklch(42.8% 0.031 248.6)
-
Step 900
900
#38434F
oklch(37.8% 0.025 250.7)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#8397AC 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) | #8F97AD | 0.016 |
| Deuteranopia (no green cones) | #8A93AC | 0.014 |
| Tritanopia (no blue cones) | #789C9E | 0.033 |
| Achromatopsia (no color) | #959595 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8397AC
#8397AC
oklch(66.8% 0.039 249.7)
- #A5917B
#A5917B
oklch(66.9% 0.039 69.7)
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 #8397AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.015
- Bluey Grey #89A0B0 ΔE 0.027
- Greyblue #77A1B5 ΔE 0.029
- Bluegrey #85A3B2 ΔE 0.033
- Silver Lake Blue #778DA9 ΔE 0.034
- Blue Grey #758DA3 ΔE 0.036
- Cool Grey #95A3A6 ΔE 0.046
- Light Slate Gray #778899 ΔE 0.049
Use #8397AC 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.