#8187BF
Closest named color: Faded Blue (#658CBB). oklch(64% 0.084 279), rgb(129, 135, 191).
Aa
Black text reads best on this color (6.15:1).
About this color
#8187BF is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.084 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.038 away. Black text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.15:1 |
| White text | 3.41:1 |
Values
| HEX | #8187BF |
| RGB | rgb(129, 135, 191) |
| HSL | hsl(234, 33%, 63%) |
| OKLCH | oklch(64% 0.084 279) |
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 #8187BF | 3.41:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #8187BF | 6.15:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #8187BF text on white | 3.41:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #8187BF text on black | 6.15:1 | AA | Lc -40.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E9
oklch(88.5% 0.023 277.9)
-
Step 300
300
#BABEDC
oklch(80.8% 0.042 279.4)
-
Step 400
400
#979DCA
oklch(70.7% 0.066 278.6)
-
Step 500
500 (this color)
#8187BF
oklch(64% 0.084 279)
-
Step 600
600
#686DA8
oklch(55.6% 0.091 279.3)
-
Step 700
700
#565B90
oklch(49% 0.085 278.7)
-
Step 800
800
#474B75
oklch(42.8% 0.07 278.9)
-
Step 900
900
#3B3E5E
oklch(37.6% 0.055 279.3)
-
Step 950
950
#232537
oklch(27.1% 0.034 279)
#8187BF 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) | #768DC1 | 0.020 |
| Deuteranopia (no green cones) | #7389BE | 0.019 |
| Tritanopia (no blue cones) | #71919B | 0.073 |
| Achromatopsia (no color) | #8B8B8B | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8187BF
#8187BF
oklch(64% 0.084 279)
- #998D4F
#998D4F
oklch(64% 0.084 98.6)
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 #8187BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.044
- Blue Grey #758DA3 ΔE 0.054
- Lavender Gray #7E7F9A ΔE 0.056
- Heather #A484AC ΔE 0.057
- Dusty Blue #5A86AD ΔE 0.059
- Light Slate Gray #778899 ΔE 0.062
- Off Blue #5684AE ΔE 0.063
Use #8187BF 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.