#839CCF
Closest named color: Cool Gray (#8D99AE). oklch(69.3% 0.081 264.2), rgb(131, 156, 207).
Aa
Black text reads best on this color (7.62:1).
About this color
#839CCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.081 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.048 away. Black text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.62:1 |
| White text | 2.75:1 |
Values
| HEX | #839CCF |
| RGB | rgb(131, 156, 207) |
| HSL | hsl(220, 44%, 66%) |
| OKLCH | oklch(69.3% 0.081 264.2) |
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 #839CCF | 2.75:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #839CCF | 7.62:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #839CCF text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #839CCF text on black | 7.62:1 | AAA | Lc -48.7 | 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
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300
#B0C1E2
oklch(80.9% 0.05 263.7)
-
Step 400
400 (this color)
#839CCF
oklch(69.3% 0.081 264.2)
-
Step 500
500
#6A88C8
oklch(63.1% 0.103 264.5)
-
Step 600
600
#5171B5
oklch(55.6% 0.113 264)
-
Step 700
700
#425E9C
oklch(49% 0.105 264.5)
-
Step 800
800
#374D7E
oklch(42.6% 0.086 264.7)
-
Step 900
900
#2F4165
oklch(37.8% 0.066 263.3)
-
Step 950
950
#1C263B
oklch(27% 0.042 264.3)
#839CCF 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) | #8BA0D1 | 0.016 |
| Deuteranopia (no green cones) | #8399CE | 0.008 |
| Tritanopia (no blue cones) | #6BA6AD | 0.072 |
| Achromatopsia (no color) | #9C9C9C | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839CCF
#839CCF
oklch(69.3% 0.081 264.2)
- #B49861
#B49861
oklch(69.2% 0.08 83.5)
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 #839CCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.048
- Greyblue #77A1B5 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.051
- Bluegrey #85A3B2 ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.064
- Faded Blue #658CBB ΔE 0.065
Use #839CCF 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.