#708A99
Closest named color: Light Slate Gray (#778899). oklch(61.9% 0.037 233.5), rgb(112, 138, 153).
Aa
Black text reads best on this color (5.78:1).
About this color
#708A99 is a medium-dark, muted blue. In OKLCH its lightness is 62%, its chroma 0.037 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.010 away. Black text reads best on it, at 5.78:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.78:1 |
| White text | 3.63:1 |
Values
| HEX | #708A99 |
| RGB | rgb(112, 138, 153) |
| HSL | hsl(202, 17%, 52%) |
| OKLCH | oklch(61.9% 0.037 233.5) |
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 #708A99 | 3.63:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #708A99 | 5.78:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #708A99 text on white | 3.63:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #708A99 text on black | 5.78:1 | AA | Lc -37.8 | 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 500.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B6C3CB
oklch(81% 0.018 234.6)
-
Step 400
400
#8FA4B0
oklch(70.6% 0.029 232.9)
-
Step 500
500 (this color)
#708A99
oklch(61.9% 0.037 233.5)
-
Step 600
600
#5C7888
oklch(55.7% 0.041 233.5)
-
Step 700
700
#4B6573
oklch(49.1% 0.038 232)
-
Step 800
800
#3E525E
oklch(42.7% 0.032 234.8)
-
Step 900
900
#35444D
oklch(37.7% 0.025 234.6)
-
Step 950
950
#1F282D
oklch(27% 0.016 232.4)
#708A99 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) | #83899A | 0.026 |
| Deuteranopia (no green cones) | #7D8499 | 0.023 |
| Tritanopia (no blue cones) | #648E8F | 0.027 |
| Achromatopsia (no color) | #868686 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #708A99
#708A99
oklch(61.9% 0.037 233.5)
- #988071
#988071
oklch(61.8% 0.037 53.8)
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 #708A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.010
- Steel #738595 ΔE 0.014
- Blue Grey #758DA3 ΔE 0.018
- Silver Lake Blue #778DA9 ΔE 0.027
- Steel Grey #6F828A ΔE 0.028
- Slate Gray #708090 ΔE 0.028
- Lavender Gray #7E7F9A ΔE 0.036
- Gray #808080 ΔE 0.042
Use #708A99 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.