#707C90
Closest named color: Slate Gray (#708090). oklch(58.4% 0.034 260.7), rgb(112, 124, 144).
Aa
Black text reads best on this color (4.97:1).
About this color
#707C90 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.034 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.012 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #707C90 |
| RGB | rgb(112, 124, 144) |
| HSL | hsl(218, 13%, 50%) |
| OKLCH | oklch(58.4% 0.034 260.7) |
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 #707C90 | 4.22:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #707C90 | 4.97:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #707C90 text on white | 4.22:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #707C90 text on black | 4.97:1 | AA | Lc -32.5 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D6D9DF
oklch(88.5% 0.009 264.5)
-
Step 300
300
#BBC1CB
oklch(80.9% 0.016 260.7)
-
Step 400
400
#98A1B0
oklch(70.7% 0.024 260.7)
-
Step 500
500
#7F8A9D
oklch(63.1% 0.031 261.4)
-
Step 600
600 (this color)
#707C90
oklch(58.4% 0.034 260.7)
-
Step 700
700
#576173
oklch(49.1% 0.031 262.2)
-
Step 800
800
#474F5E
oklch(42.6% 0.027 263)
-
Step 900
900
#3B424D
oklch(37.7% 0.021 259.4)
-
Step 950
950
#23272D
oklch(27.1% 0.013 258.4)
#707C90 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) | #767D91 | 0.009 |
| Deuteranopia (no green cones) | #727A90 | 0.006 |
| Tritanopia (no blue cones) | #688082 | 0.030 |
| Achromatopsia (no color) | #7B7B7B | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #707C90
#707C90
oklch(58.4% 0.034 260.7)
- #867A65
#867A65
oklch(58.5% 0.034 81.6)
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 #707C90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.012
- Grey Blue #647D8E ΔE 0.017
- Battleship Grey #6B7C85 ΔE 0.019
- Steel Grey #6F828A ΔE 0.022
- Steel #738595 ΔE 0.026
- Lavender Gray #7E7F9A ΔE 0.027
- Battleship Gray #6C757D ΔE 0.032
- Light Slate Gray #778899 ΔE 0.036
Use #707C90 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.