#718EA3
Closest named color: Blue Grey (#758DA3). oklch(63.2% 0.046 239.9), rgb(113, 142, 163).
Aa
Black text reads best on this color (6.10:1).
About this color
#718EA3 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.046 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.006 away. Black text reads best on it, at 6.10:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.10:1 |
| White text | 3.44:1 |
Values
| HEX | #718EA3 |
| RGB | rgb(113, 142, 163) |
| HSL | hsl(205, 21%, 54%) |
| OKLCH | oklch(63.2% 0.046 239.9) |
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 #718EA3 | 3.44:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #718EA3 | 6.10:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #718EA3 text on white | 3.44:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #718EA3 text on black | 6.10:1 | AA | Lc -39.8 | 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
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE1
oklch(88.4% 0.013 244.3)
-
Step 300
300
#B4C3CE
oklch(80.9% 0.023 239.5)
-
Step 400
400
#8DA4B5
oklch(70.7% 0.036 240.1)
-
Step 500
500 (this color)
#718EA3
oklch(63.2% 0.046 239.9)
-
Step 600
600
#59788E
oklch(55.7% 0.049 239.7)
-
Step 700
700
#496579
oklch(49.3% 0.046 239.9)
-
Step 800
800
#3C5262
oklch(42.7% 0.038 240.3)
-
Step 900
900
#334450
oklch(37.7% 0.03 239.3)
-
Step 950
950
#1E282F
oklch(27% 0.019 238.9)
#718EA3 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) | #858DA4 | 0.027 |
| Deuteranopia (no green cones) | #7E88A3 | 0.023 |
| Tritanopia (no blue cones) | #629395 | 0.035 |
| Achromatopsia (no color) | #8A8A8A | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718EA3
#718EA3
oklch(63.2% 0.046 239.9)
- #9F846E
#9F846E
oklch(63.3% 0.046 61)
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 #718EA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.006
- Silver Lake Blue #778DA9 ΔE 0.013
- Light Slate Gray #778899 ΔE 0.019
- Steel #738595 ΔE 0.028
- Faded Blue #658CBB ΔE 0.041
- Lavender Gray #7E7F9A ΔE 0.042
- Slate Gray #708090 ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.043
Use #718EA3 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.