#707A99
Closest named color: Slate Gray (#708090). oklch(58.3% 0.049 270.9), rgb(112, 122, 153).
Aa
Black text reads best on this color (4.93:1).
About this color
#707A99 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.049 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.026 away. Black text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #707A99 |
| RGB | rgb(112, 122, 153) |
| HSL | hsl(225, 17%, 52%) |
| OKLCH | oklch(58.3% 0.049 270.9) |
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 #707A99 | 4.25:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #707A99 | 4.93:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #707A99 text on white | 4.25:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #707A99 text on black | 4.93:1 | AA | Lc -32.2 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BBC0CF
oklch(80.8% 0.022 271.1)
-
Step 400
400
#98A0B7
oklch(70.7% 0.035 270.3)
-
Step 500
500
#7F88A6
oklch(63% 0.046 271.9)
-
Step 600
600 (this color)
#707A99
oklch(58.3% 0.049 270.9)
-
Step 700
700
#57607B
oklch(49.2% 0.045 270.3)
-
Step 800
800
#474E64
oklch(42.7% 0.038 271)
-
Step 900
900
#3C4152
oklch(37.8% 0.03 272.1)
-
Step 950
950
#232630
oklch(27% 0.019 272)
#707A99 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) | #717C9A | 0.006 |
| Deuteranopia (no green cones) | #6D7998 | 0.005 |
| Tritanopia (no blue cones) | #668084 | 0.045 |
| Achromatopsia (no color) | #7B7B7B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #707A99
#707A99
oklch(58.3% 0.049 270.9)
- #867A5A
#867A5A
oklch(58.2% 0.048 89.9)
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 #707A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.026
- Lavender Gray #7E7F9A ΔE 0.026
- Grey Blue #647D8E ΔE 0.028
- Battleship Grey #6B7C85 ΔE 0.035
- Steel #738595 ΔE 0.035
- Steel Grey #6F828A ΔE 0.038
- Stormy Blue #507B9C ΔE 0.040
- Grey Purple #826D8C ΔE 0.042
Use #707A99 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.