#718DA4
Closest named color: Blue Grey (#758DA3). oklch(63% 0.047 243.4), rgb(113, 141, 164).
Aa
Black text reads best on this color (6.04:1).
About this color
#718DA4 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.047 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.005 away. Black text reads best on it, at 6.04:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.04:1 |
| White text | 3.47:1 |
Values
| HEX | #718DA4 |
| RGB | rgb(113, 141, 164) |
| HSL | hsl(207, 22%, 54%) |
| OKLCH | oklch(63% 0.047 243.4) |
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 #718DA4 | 3.47:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #718DA4 | 6.04:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #718DA4 text on white | 3.47:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #718DA4 text on black | 6.04:1 | AA | Lc -39.4 | 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
#B4C3CF
oklch(80.9% 0.024 242)
-
Step 400
400
#8EA4B6
oklch(70.8% 0.036 242.9)
-
Step 500
500 (this color)
#718DA4
oklch(63% 0.047 243.4)
-
Step 600
600
#59778F
oklch(55.5% 0.051 242.9)
-
Step 700
700
#49647A
oklch(49.1% 0.048 243.5)
-
Step 800
800
#3C5263
oklch(42.7% 0.039 242)
-
Step 900
900
#344451
oklch(37.8% 0.03 243.1)
-
Step 950
950
#1E282F
oklch(27% 0.019 238.9)
#718DA4 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) | #848DA5 | 0.025 |
| Deuteranopia (no green cones) | #7D87A4 | 0.022 |
| Tritanopia (no blue cones) | #619394 | 0.040 |
| Achromatopsia (no color) | #8A8A8A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #718DA4
#718DA4
oklch(63% 0.047 243.4)
- #9E846C
#9E846C
oklch(63.1% 0.047 64.5)
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 #718DA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.005
- Silver Lake Blue #778DA9 ΔE 0.011
- Light Slate Gray #778899 ΔE 0.019
- Steel #738595 ΔE 0.027
- Faded Blue #658CBB ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.040
- Slate Gray #708090 ΔE 0.041
Use #718DA4 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.