#747CBB
Closest named color: Faded Blue (#658CBB). oklch(60.6% 0.096 277.6), rgb(116, 124, 187).
Aa
Black text reads best on this color (5.34:1).
About this color
#747CBB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.096 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.046 away. Black text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.34:1 |
| White text | 3.93:1 |
Values
| HEX | #747CBB |
| RGB | rgb(116, 124, 187) |
| HSL | hsl(233, 34%, 59%) |
| OKLCH | oklch(60.6% 0.096 277.6) |
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 #747CBB | 3.93:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #747CBB | 5.34:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #747CBB text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #747CBB text on black | 5.34:1 | AA | Lc -35.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B9BEDF
oklch(80.8% 0.047 278.5)
-
Step 400
400
#959DD0
oklch(70.8% 0.075 277.4)
-
Step 500
500 (this color)
#747CBB
oklch(60.6% 0.096 277.6)
-
Step 600
600
#656CB0
oklch(55.6% 0.105 277.9)
-
Step 700
700
#545A97
oklch(49.1% 0.097 277.9)
-
Step 800
800
#454A7A
oklch(42.7% 0.079 277.9)
-
Step 900
900
#3A3E63
oklch(37.8% 0.063 278.2)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#747CBB 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) | #6783BE | 0.023 |
| Deuteranopia (no green cones) | #637EB9 | 0.023 |
| Tritanopia (no blue cones) | #5F8893 | 0.084 |
| Achromatopsia (no color) | #808080 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #747CBB
#747CBB
oklch(60.6% 0.096 277.6)
- #928238
#928238
oklch(60.6% 0.096 97.2)
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 #747CBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.046
- Off Blue #5684AE ΔE 0.049
- Dusty Blue #5A86AD ΔE 0.050
- Cool Blue #4984B8 ΔE 0.053
- Lavender Gray #7E7F9A ΔE 0.056
- Steel Blue #4682B4 ΔE 0.057
- Deep Lilac #966EBD ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.062
Use #747CBB 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.