#839ECA
Closest named color: Greyblue (#77A1B5). oklch(69.5% 0.072 260), rgb(131, 158, 202).
Aa
Black text reads best on this color (7.70:1).
About this color
#839ECA is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.072 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.039 away. Black text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #839ECA |
| RGB | rgb(131, 158, 202) |
| HSL | hsl(217, 40%, 65%) |
| OKLCH | oklch(69.5% 0.072 260) |
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 #839ECA | 2.72:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #839ECA | 7.70:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #839ECA text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #839ECA text on black | 7.70:1 | AAA | Lc -49.1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B0C2DE
oklch(80.9% 0.044 259.2)
-
Step 400
400 (this color)
#839ECA
oklch(69.5% 0.072 260)
-
Step 500
500
#698AC1
oklch(63.1% 0.091 260.3)
-
Step 600
600
#5073AE
oklch(55.6% 0.101 260.4)
-
Step 700
700
#416095
oklch(49% 0.093 260.6)
-
Step 800
800
#364F79
oklch(42.8% 0.077 260.3)
-
Step 900
900
#2F4261
oklch(37.8% 0.059 259.9)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#839ECA 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) | #8FA0CC | 0.017 |
| Deuteranopia (no green cones) | #879AC9 | 0.011 |
| Tritanopia (no blue cones) | #6DA7AD | 0.063 |
| Achromatopsia (no color) | #9D9D9D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #839ECA
#839ECA
oklch(69.5% 0.072 260)
- #B49869
#B49869
oklch(69.4% 0.072 80.1)
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 #839ECA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.039
- Cool Gray #8D99AE ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.063
- Faded Blue #658CBB ΔE 0.066
Use #839ECA 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.