#707A8F
Closest named color: Slate Gray (#708090). oklch(57.9% 0.034 265.1), rgb(112, 122, 143).
Aa
Black text reads best on this color (4.86:1).
About this color
#707A8F is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.034 and its hue 265°. 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 4.86:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #707A8F |
| RGB | rgb(112, 122, 143) |
| HSL | hsl(221, 12%, 50%) |
| OKLCH | oklch(57.9% 0.034 265.1) |
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 #707A8F | 4.31:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #707A8F | 4.86:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #707A8F text on white | 4.31:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #707A8F text on black | 4.86:1 | AA | Lc -31.8 | 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
#BCC1CB
oklch(81% 0.015 264.5)
-
Step 400
400
#99A1B1
oklch(70.8% 0.025 264.4)
-
Step 500
500
#808A9D
oklch(63.2% 0.031 263.3)
-
Step 600
600 (this color)
#707A8F
oklch(57.9% 0.034 265.1)
-
Step 700
700
#586173
oklch(49.2% 0.031 264.2)
-
Step 800
800
#484F5E
oklch(42.7% 0.027 265.5)
-
Step 900
900
#3C424D
oklch(37.8% 0.02 262.6)
-
Step 950
950
#23262D
oklch(26.9% 0.014 267)
#707A8F 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) | #747B90 | 0.007 |
| Deuteranopia (no green cones) | #71788E | 0.006 |
| Tritanopia (no blue cones) | #687E81 | 0.031 |
| Achromatopsia (no color) | #7A7A7A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #707A8F
#707A8F
oklch(57.9% 0.034 265.1)
- #837963
#837963
oklch(57.9% 0.035 86.4)
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 #707A8F, 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 0.018
- Battleship Grey #6B7C85 ΔE 0.020
- Steel Grey #6F828A ΔE 0.027
- Battleship Gray #6C757D ΔE 0.029
- Lavender Gray #7E7F9A ΔE 0.030
- Steel #738595 ΔE 0.031
- Gray #808080 ΔE 0.040
Use #707A8F 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.