#879BBF
Closest named color: Cool Gray (#8D99AE). oklch(68.7% 0.058 262.1), rgb(135, 155, 191).
Aa
Black text reads best on this color (7.47:1).
About this color
#879BBF is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.058 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.025 away. Black text reads best on it, at 7.47:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.47:1 |
| White text | 2.81:1 |
Values
| HEX | #879BBF |
| RGB | rgb(135, 155, 191) |
| HSL | hsl(219, 30%, 64%) |
| OKLCH | oklch(68.7% 0.058 262.1) |
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 #879BBF | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #879BBF | 7.47:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #879BBF text on white | 2.81:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #879BBF text on black | 7.47:1 | AAA | Lc -47.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E7
oklch(88.4% 0.021 264.5)
-
Step 300
300
#B4C1D9
oklch(80.9% 0.037 262.8)
-
Step 400
400 (this color)
#879BBF
oklch(68.7% 0.058 262.1)
-
Step 500
500
#718AB7
oklch(63.2% 0.074 261.9)
-
Step 600
600
#5973A3
oklch(55.5% 0.081 262.2)
-
Step 700
700
#49618B
oklch(49.2% 0.074 261.2)
-
Step 800
800
#3C4F71
oklch(42.7% 0.062 261.6)
-
Step 900
900
#33425C
oklch(37.8% 0.049 261.1)
-
Step 950
950
#1E2736
oklch(27.1% 0.031 260.5)
#879BBF 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) | #8F9DC1 | 0.013 |
| Deuteranopia (no green cones) | #8A98BE | 0.008 |
| Tritanopia (no blue cones) | #77A2A7 | 0.051 |
| Achromatopsia (no color) | #9A9A9A | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879BBF
#879BBF
oklch(68.7% 0.058 262.1)
- #AC9771
#AC9771
oklch(68.5% 0.058 82.1)
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 #879BBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.025
- Bluey Grey #89A0B0 ΔE 0.030
- Greyblue #77A1B5 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.034
- Cool Steel #97A7B3 ΔE 0.049
- Silver Lake Blue #778DA9 ΔE 0.052
- Cool Grey #95A3A6 ΔE 0.052
- Blue Grey #758DA3 ΔE 0.058
Use #879BBF 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.