#8397B0
Closest named color: Cool Gray (#8D99AE). oklch(66.9% 0.044 254.1), rgb(131, 151, 176).
Aa
Black text reads best on this color (7.01:1).
About this color
#8397B0 is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.044 and its hue 254°. 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 7.01:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.01:1 |
| White text | 2.99:1 |
Values
| HEX | #8397B0 |
| RGB | rgb(131, 151, 176) |
| HSL | hsl(213, 22%, 60%) |
| OKLCH | oklch(66.9% 0.044 254.1) |
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 #8397B0 | 2.99:1 | Fails | Lc -61.9 | Content text, not long reading |
| Black text on #8397B0 | 7.01:1 | AAA | Lc 47.5 | Large or bold text, headings |
| #8397B0 text on white | 2.99:1 | Fails | Lc 56.6 | Large or bold text, headings |
| #8397B0 text on black | 7.01:1 | AAA | Lc -45.2 | 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 400.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B5C2D2
oklch(80.9% 0.027 253.6)
-
Step 400
400 (this color)
#8397B0
oklch(66.9% 0.044 254.1)
-
Step 500
500
#728CAB
oklch(63.1% 0.056 253.1)
-
Step 600
600
#5B7597
oklch(55.6% 0.061 255.3)
-
Step 700
700
#4A6380
oklch(49.2% 0.056 252.6)
-
Step 800
800
#3D5068
oklch(42.6% 0.047 254.6)
-
Step 900
900
#344355
oklch(37.7% 0.037 253.3)
-
Step 950
950
#1F2732
oklch(27% 0.024 256.4)
#8397B0 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) | #8E98B1 | 0.015 |
| Deuteranopia (no green cones) | #8993AF | 0.013 |
| Tritanopia (no blue cones) | #779C9F | 0.037 |
| Achromatopsia (no color) | #959595 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8397B0
#8397B0
oklch(66.9% 0.044 254.1)
- #A69278
#A69278
oklch(67.1% 0.044 74.2)
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 #8397B0, 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 0.028
- Greyblue #77A1B5 ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.034
- Blue Grey #758DA3 ΔE 0.037
- Cool Grey #95A3A6 ΔE 0.049
- Light Slate Gray #778899 ΔE 0.052
Use #8397B0 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.