#707990
Closest named color: Grey Blue (#647D8E). oklch(57.7% 0.037 268.4), rgb(112, 121, 144).
Aa
Black text reads best on this color (4.82:1).
About this color
#707990 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.037 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.020 away. Black text reads best on it, at 4.82:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #707990 |
| RGB | rgb(112, 121, 144) |
| HSL | hsl(223, 13%, 50%) |
| OKLCH | oklch(57.7% 0.037 268.4) |
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 #707990 | 4.35:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #707990 | 4.82:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #707990 text on white | 4.35:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #707990 text on black | 4.82:1 | AA | Lc -31.5 | 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
#BCC0CC
oklch(80.8% 0.017 271.2)
-
Step 400
400
#99A0B2
oklch(70.6% 0.027 268.7)
-
Step 500
500
#81899F
oklch(63.1% 0.034 269.6)
-
Step 600
600 (this color)
#707990
oklch(57.7% 0.037 268.4)
-
Step 700
700
#586075
oklch(49% 0.035 268.7)
-
Step 800
800
#484F5F
oklch(42.8% 0.028 266.6)
-
Step 900
900
#3C414E
oklch(37.6% 0.023 268.7)
-
Step 950
950
#23262E
oklch(26.9% 0.016 269.1)
#707990 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) | #727B91 | 0.007 |
| Deuteranopia (no green cones) | #70788F | 0.003 |
| Tritanopia (no blue cones) | #687D81 | 0.032 |
| Achromatopsia (no color) | #797979 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #707990
#707990
oklch(57.7% 0.037 268.4)
- #827961
#827961
oklch(57.8% 0.037 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 #707990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.020
- Slate Gray #708090 ΔE 0.021
- Battleship Grey #6B7C85 ΔE 0.023
- Battleship Gray #6C757D ΔE 0.030
- Lavender Gray #7E7F9A ΔE 0.030
- Steel Grey #6F828A ΔE 0.031
- Steel #738595 ΔE 0.034
- Grey Purple #826D8C ΔE 0.040
Use #707990 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.