#6D7E99
Closest named color: Slate Gray (#708090). oklch(58.9% 0.046 259.6), rgb(109, 126, 153).
Aa
Black text reads best on this color (5.09:1).
About this color
#6D7E99 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.046 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.017 away. Black text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #6D7E99 |
| RGB | rgb(109, 126, 153) |
| HSL | hsl(217, 18%, 51%) |
| OKLCH | oklch(58.9% 0.046 259.6) |
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 #6D7E99 | 4.12:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #6D7E99 | 5.09:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #6D7E99 text on white | 4.12:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #6D7E99 text on black | 5.09:1 | AA | Lc -33.3 | 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 600.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CE
oklch(80.9% 0.02 260.2)
-
Step 400
400
#95A1B6
oklch(70.6% 0.034 261.7)
-
Step 500
500
#7A8AA4
oklch(63% 0.043 260.1)
-
Step 600
600 (this color)
#6D7E99
oklch(58.9% 0.046 259.6)
-
Step 700
700
#526179
oklch(48.9% 0.043 259.7)
-
Step 800
800
#445063
oklch(42.8% 0.035 259.5)
-
Step 900
900
#394251
oklch(37.7% 0.028 260.6)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#6D7E99 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) | #757F9A | 0.012 |
| Deuteranopia (no green cones) | #707B98 | 0.009 |
| Tritanopia (no blue cones) | #618487 | 0.041 |
| Achromatopsia (no color) | #7D7D7D | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D7E99
#6D7E99
oklch(58.9% 0.046 259.6)
- #8C7A5E
#8C7A5E
oklch(58.9% 0.046 78.6)
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 #6D7E99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.017
- Grey Blue #647D8E ΔE 0.022
- Lavender Gray #7E7F9A ΔE 0.025
- Steel #738595 ΔE 0.025
- Steel Grey #6F828A ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.031
- Light Slate Gray #778899 ΔE 0.034
- Dusty Blue #5A86AD ΔE 0.037
Use #6D7E99 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.