#839BCE
Closest named color: Cool Gray (#8D99AE). oklch(69% 0.08 264.9), rgb(131, 155, 206).
Aa
Black text reads best on this color (7.54:1).
About this color
#839BCE is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.080 and its hue 265°. 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 7.54:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.54:1 |
| White text | 2.78:1 |
Values
| HEX | #839BCE |
| RGB | rgb(131, 155, 206) |
| HSL | hsl(221, 43%, 66%) |
| OKLCH | oklch(69% 0.08 264.9) |
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 #839BCE | 2.78:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #839BCE | 7.54:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #839BCE text on white | 2.78:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #839BCE text on black | 7.54:1 | AAA | Lc -48.2 | 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
#B1C1E2
oklch(81% 0.05 264.8)
-
Step 400
400 (this color)
#839BCE
oklch(69% 0.08 264.9)
-
Step 500
500
#6B88C8
oklch(63.1% 0.103 265)
-
Step 600
600
#5371B5
oklch(55.7% 0.112 265)
-
Step 700
700
#435E9B
oklch(49% 0.103 264.8)
-
Step 800
800
#374D7E
oklch(42.6% 0.086 264.7)
-
Step 900
900
#304065
oklch(37.6% 0.067 265.5)
-
Step 950
950
#1C263B
oklch(27% 0.042 264.3)
#839BCE 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) | #8A9FD0 | 0.015 |
| Deuteranopia (no green cones) | #8298CD | 0.008 |
| Tritanopia (no blue cones) | #6CA5AD | 0.070 |
| Achromatopsia (no color) | #9B9B9B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839BCE
#839BCE
oklch(69% 0.08 264.9)
- #B29860
#B29860
oklch(69% 0.08 85.5)
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 #839BCE, 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 0.052
- Bluegrey #85A3B2 ΔE 0.054
- Faded Blue #658CBB ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.063
- Cornflower Blue #6495ED ΔE 0.063
Use #839BCE 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.