#737EC0
Closest named color: Faded Blue (#658CBB). oklch(61.2% 0.101 275.8), rgb(115, 126, 192).
Aa
Black text reads best on this color (5.47:1).
About this color
#737EC0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.101 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.043 away. Black text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #737EC0 |
| RGB | rgb(115, 126, 192) |
| HSL | hsl(231, 38%, 60%) |
| OKLCH | oklch(61.2% 0.101 275.8) |
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 #737EC0 | 3.83:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #737EC0 | 5.47:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #737EC0 text on white | 3.83:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #737EC0 text on black | 5.47:1 | AA | Lc -35.9 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B7BFE1
oklch(81% 0.049 274.8)
-
Step 400
400
#939DD2
oklch(70.8% 0.078 275.9)
-
Step 500
500 (this color)
#737EC0
oklch(61.2% 0.101 275.8)
-
Step 600
600
#626DB3
oklch(55.7% 0.109 275.5)
-
Step 700
700
#515A9A
oklch(49% 0.103 275.9)
-
Step 800
800
#424A7D
oklch(42.7% 0.085 275.5)
-
Step 900
900
#383E64
oklch(37.7% 0.065 276)
-
Step 950
950
#21253B
oklch(27.2% 0.041 275.4)
#737EC0 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) | #6885C3 | 0.022 |
| Deuteranopia (no green cones) | #627FBE | 0.022 |
| Tritanopia (no blue cones) | #5B8B96 | 0.090 |
| Achromatopsia (no color) | #828282 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737EC0
#737EC0
oklch(61.2% 0.101 275.8)
- #968334
#968334
oklch(61.2% 0.101 95.7)
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 #737EC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.043
- Off Blue #5684AE ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.052
- Cool Blue #4984B8 ΔE 0.053
- Steel Blue #4682B4 ΔE 0.057
- Lavender Gray #7E7F9A ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.063
- Deep Lilac #966EBD ΔE 0.063
Use #737EC0 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.