#718F9D
Closest named color: Blue Grey (#758DA3). oklch(63.2% 0.04 228), rgb(113, 143, 157).
Aa
Black text reads best on this color (6.11:1).
About this color
#718F9D is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.040 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.014 away. Black text reads best on it, at 6.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #718F9D |
| RGB | rgb(113, 143, 157) |
| HSL | hsl(199, 18%, 53%) |
| OKLCH | oklch(63.2% 0.04 228) |
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 #718F9D | 3.43:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #718F9D | 6.11:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #718F9D text on white | 3.43:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #718F9D text on black | 6.11:1 | AA | Lc -39.9 | 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
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B4C3CB
oklch(80.8% 0.02 230.8)
-
Step 400
400
#8DA5B0
oklch(70.7% 0.031 227.2)
-
Step 500
500 (this color)
#718F9D
oklch(63.2% 0.04 228)
-
Step 600
600
#597987
oklch(55.7% 0.043 226.7)
-
Step 700
700
#486673
oklch(49.2% 0.041 226.7)
-
Step 800
800
#3C535E
oklch(42.8% 0.033 229)
-
Step 900
900
#33454D
oklch(37.8% 0.027 227)
-
Step 950
950
#1E282D
oklch(27% 0.017 229.8)
#718F9D 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) | #888D9E | 0.031 |
| Deuteranopia (no green cones) | #81889D | 0.028 |
| Tritanopia (no blue cones) | #639393 | 0.028 |
| Achromatopsia (no color) | #8A8A8A | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718F9D
#718F9D
oklch(63.2% 0.04 228)
- #9F8375
#9F8375
oklch(63.2% 0.04 48.1)
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 #718F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.014
- Light Slate Gray #778899 ΔE 0.020
- Silver Lake Blue #778DA9 ΔE 0.023
- Steel #738595 ΔE 0.028
- Steel Grey #6F828A ΔE 0.041
- Slate Gray #708090 ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.044
- Lavender Gray #7E7F9A ΔE 0.046
Use #718F9D 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.