#8191B7
Closest named color: Silver Lake Blue (#778DA9). oklch(65.8% 0.06 266.9), rgb(129, 145, 183).
Aa
Black text reads best on this color (6.66:1).
About this color
#8191B7 is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.060 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.027 away. Black text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.66:1 |
| White text | 3.14:1 |
Values
| HEX | #8191B7 |
| RGB | rgb(129, 145, 183) |
| HSL | hsl(222, 27%, 61%) |
| OKLCH | oklch(65.8% 0.06 266.9) |
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 #8191B7 | 3.14:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #8191B7 | 6.66:1 | AA | Lc 45.5 | Large or bold text, headings |
| #8191B7 text on white | 3.14:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #8191B7 text on black | 6.66:1 | AA | Lc -43.2 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C1D4
oklch(81% 0.029 265.4)
-
Step 400
400
#93A0BF
oklch(70.6% 0.048 267.3)
-
Step 500
500 (this color)
#8191B7
oklch(65.8% 0.06 266.9)
-
Step 600
600
#62729A
oklch(55.5% 0.065 267.4)
-
Step 700
700
#516084
oklch(49.1% 0.061 266.7)
-
Step 800
800
#434E6B
oklch(42.7% 0.05 268.2)
-
Step 900
900
#384157
oklch(37.7% 0.04 267.2)
-
Step 950
950
#212633
oklch(27% 0.025 268.3)
#8191B7 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) | #8594B9 | 0.010 |
| Deuteranopia (no green cones) | #808FB6 | 0.006 |
| Tritanopia (no blue cones) | #72989E | 0.053 |
| Achromatopsia (no color) | #919191 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8191B7
#8191B7
oklch(65.8% 0.06 266.9)
- #A19067
#A19067
oklch(65.8% 0.06 88)
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 #8191B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.027
- Cool Gray #8D99AE ΔE 0.035
- Blue Grey #758DA3 ΔE 0.035
- Faded Blue #658CBB ΔE 0.040
- Greyblue #77A1B5 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.049
- Light Slate Gray #778899 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.055
Use #8191B7 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.