#7181B0
Closest named color: Dusty Blue (#5A86AD). oklch(60.9% 0.074 269.6), rgb(113, 129, 176).
Aa
Black text reads best on this color (5.46:1).
About this color
#7181B0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.074 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.031 away. Black text reads best on it, at 5.46:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.46:1 |
| White text | 3.83:1 |
Values
| HEX | #7181B0 |
| RGB | rgb(113, 129, 176) |
| HSL | hsl(225, 29%, 57%) |
| OKLCH | oklch(60.9% 0.074 269.6) |
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 #7181B0 | 3.83:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #7181B0 | 5.46:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #7181B0 text on white | 3.83:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #7181B0 text on black | 5.46:1 | AA | Lc -35.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E7
oklch(88.6% 0.02 270.2)
-
Step 300
300
#B7C0D9
oklch(80.9% 0.037 269.8)
-
Step 400
400
#92A0C6
oklch(70.8% 0.058 269.1)
-
Step 500
500 (this color)
#7181B0
oklch(60.9% 0.074 269.6)
-
Step 600
600
#6071A3
oklch(55.6% 0.081 269.3)
-
Step 700
700
#505E8C
oklch(49% 0.076 270.5)
-
Step 800
800
#414D71
oklch(42.6% 0.062 269.5)
-
Step 900
900
#37405C
oklch(37.6% 0.05 270.2)
-
Step 950
950
#202636
oklch(27% 0.031 268.4)
#7181B0 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) | #7285B2 | 0.011 |
| Deuteranopia (no green cones) | #6C80AF | 0.008 |
| Tritanopia (no blue cones) | #5E8A91 | 0.067 |
| Achromatopsia (no color) | #828282 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7181B0
#7181B0
oklch(60.9% 0.074 269.6)
- #94814D
#94814D
oklch(60.9% 0.074 90)
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 #7181B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.031
- Faded Blue #658CBB ΔE 0.032
- Off Blue #5684AE ΔE 0.033
- Lavender Gray #7E7F9A ΔE 0.036
- Silver Lake Blue #778DA9 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.045
- Light Slate Gray #778899 ΔE 0.047
Use #7181B0 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.