#6E87A4
Closest named color: Light Slate Gray (#778899). oklch(61.5% 0.053 252.4), rgb(110, 135, 164).
Aa
Black text reads best on this color (5.66:1).
About this color
#6E87A4 is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.053 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.021 away. Black text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #6E87A4 |
| RGB | rgb(110, 135, 164) |
| HSL | hsl(212, 23%, 54%) |
| OKLCH | oklch(61.5% 0.053 252.4) |
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 #6E87A4 | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #6E87A4 | 5.66:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #6E87A4 text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #6E87A4 text on black | 5.66:1 | AA | Lc -37.0 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B5C2D1
oklch(80.9% 0.026 251.9)
-
Step 400
400
#8FA3BA
oklch(70.8% 0.041 252)
-
Step 500
500 (this color)
#6E87A4
oklch(61.5% 0.053 252.4)
-
Step 600
600
#5B7694
oklch(55.6% 0.057 251.5)
-
Step 700
700
#4B637F
oklch(49.2% 0.054 252.7)
-
Step 800
800
#3D5167
oklch(42.8% 0.044 251.3)
-
Step 900
900
#344354
oklch(37.7% 0.035 251.9)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#6E87A4 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) | #7C88A5 | 0.019 |
| Deuteranopia (no green cones) | #7682A3 | 0.016 |
| Tritanopia (no blue cones) | #5E8D91 | 0.044 |
| Achromatopsia (no color) | #858585 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E87A4
#6E87A4
oklch(61.5% 0.053 252.4)
- #998062
#998062
oklch(61.5% 0.053 71.7)
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 #6E87A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.021
- Blue Grey #758DA3 ΔE 0.021
- Silver Lake Blue #778DA9 ΔE 0.022
- Steel #738595 ΔE 0.022
- Dusty Blue #5A86AD ΔE 0.027
- Lavender Gray #7E7F9A ΔE 0.029
- Slate Gray #708090 ΔE 0.031
- Off Blue #5684AE ΔE 0.034
Use #6E87A4 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.