#718A9E
Closest named color: Light Slate Gray (#778899). oklch(62.1% 0.042 242.5), rgb(113, 138, 158).
Aa
Black text reads best on this color (5.83:1).
About this color
#718A9E is a medium-light, muted blue. In OKLCH its lightness is 62%, its chroma 0.042 and its hue 243°. 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 5.83:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.83:1 |
| White text | 3.60:1 |
Values
| HEX | #718A9E |
| RGB | rgb(113, 138, 158) |
| HSL | hsl(207, 19%, 53%) |
| OKLCH | oklch(62.1% 0.042 242.5) |
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 #718A9E | 3.60:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #718A9E | 5.83:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #718A9E text on white | 3.60:1 | AA large text | Lc 63.6 | Content text, not long reading |
| #718A9E text on black | 5.83:1 | AA | Lc -38.1 | 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
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C3CD
oklch(81% 0.02 240.8)
-
Step 400
400
#90A4B4
oklch(70.8% 0.032 242.2)
-
Step 500
500 (this color)
#718A9E
oklch(62.1% 0.042 242.5)
-
Step 600
600
#5C778C
oklch(55.6% 0.045 242)
-
Step 700
700
#4C6477
oklch(49.1% 0.042 242.5)
-
Step 800
800
#3E5261
oklch(42.8% 0.035 241)
-
Step 900
900
#35444F
oklch(37.8% 0.027 240.2)
-
Step 950
950
#1F282E
oklch(27.1% 0.017 237.4)
#718A9E 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) | #828A9F | 0.023 |
| Deuteranopia (no green cones) | #7C859E | 0.019 |
| Tritanopia (no blue cones) | #648F90 | 0.034 |
| Achromatopsia (no color) | #878787 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718A9E
#718A9E
oklch(62.1% 0.042 242.5)
- #99816D
#99816D
oklch(62% 0.041 61.7)
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 #718A9E, 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
- Blue Grey #758DA3 ΔE 0.012
- Steel #738595 ΔE 0.016
- Silver Lake Blue #778DA9 ΔE 0.019
- Slate Gray #708090 ΔE 0.031
- Lavender Gray #7E7F9A ΔE 0.033
- Steel Grey #6F828A ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.039
Use #718A9E 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.