#879ACB
Closest named color: Cool Gray (#8D99AE). oklch(69% 0.076 268), rgb(135, 154, 203).
Aa
Black text reads best on this color (7.51:1).
About this color
#879ACB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.076 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.043 away. Black text reads best on it, at 7.51:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #879ACB |
| RGB | rgb(135, 154, 203) |
| HSL | hsl(223, 40%, 66%) |
| OKLCH | oklch(69% 0.076 268) |
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 #879ACB | 2.79:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #879ACB | 7.51:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #879ACB text on white | 2.79:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #879ACB text on black | 7.51:1 | AAA | Lc -48.1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EB
oklch(88.5% 0.026 268.8)
-
Step 300
300
#B3C0E0
oklch(80.8% 0.047 267.8)
-
Step 400
400 (this color)
#879ACB
oklch(69% 0.076 268)
-
Step 500
500
#7087C4
oklch(63.1% 0.096 267.8)
-
Step 600
600
#5970B1
oklch(55.6% 0.105 268.1)
-
Step 700
700
#495E98
oklch(49.2% 0.097 267.7)
-
Step 800
800
#3C4D7B
oklch(42.8% 0.08 267.6)
-
Step 900
900
#334063
oklch(37.7% 0.063 267.8)
-
Step 950
950
#1E263A
oklch(27.1% 0.039 267.1)
#879ACB 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) | #8A9ECD | 0.012 |
| Deuteranopia (no green cones) | #8498CA | 0.007 |
| Tritanopia (no blue cones) | #73A4AB | 0.068 |
| Achromatopsia (no color) | #9B9B9B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879ACB
#879ACB
oklch(69% 0.076 268)
- #AF9964
#AF9964
oklch(69% 0.076 87.8)
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 #879ACB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.043
- Greyblue #77A1B5 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.061
- Cool Steel #97A7B3 ΔE 0.062
- Faded Blue #658CBB ΔE 0.063
- Perrywinkle #8F8CE7 ΔE 0.064
Use #879ACB 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.