#6791BB
Closest named color: Faded Blue (#658CBB). oklch(64.3% 0.078 249.1), rgb(103, 145, 187).
Aa
Black text reads best on this color (6.34:1).
About this color
#6791BB is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.078 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.015 away. Black text reads best on it, at 6.34:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.34:1 |
| White text | 3.30:1 |
Values
| HEX | #6791BB |
| RGB | rgb(103, 145, 187) |
| HSL | hsl(210, 38%, 57%) |
| OKLCH | oklch(64.3% 0.078 249.1) |
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 #6791BB | 3.30:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #6791BB | 6.34:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #6791BB text on white | 3.30:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #6791BB text on black | 6.34:1 | AA | Lc -41.3 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AEC3D9
oklch(80.8% 0.039 249.5)
-
Step 400
400
#83A4C6
oklch(70.6% 0.062 249.5)
-
Step 500
500 (this color)
#6791BB
oklch(64.3% 0.078 249.1)
-
Step 600
600
#4A77A3
oklch(55.6% 0.085 249.1)
-
Step 700
700
#3B648C
oklch(49.1% 0.079 249.2)
-
Step 800
800
#315272
oklch(42.8% 0.066 248.9)
-
Step 900
900
#2C445C
oklch(37.8% 0.051 249.3)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#6791BB 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) | #8092BD | 0.032 |
| Deuteranopia (no green cones) | #7689BA | 0.027 |
| Tritanopia (no blue cones) | #459B9F | 0.068 |
| Achromatopsia (no color) | #8D8D8D | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6791BB
#6791BB
oklch(64.3% 0.078 249.1)
- #AC8457
#AC8457
oklch(64.2% 0.078 69)
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 #6791BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.015
- Silver Lake Blue #778DA9 ΔE 0.030
- Blue Grey #758DA3 ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.039
- Off Blue #5684AE ΔE 0.045
- Light Slate Gray #778899 ΔE 0.052
- Cool Blue #4984B8 ΔE 0.052
- Greyblue #77A1B5 ΔE 0.054
Use #6791BB 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.