#6B88CB
Closest named color: Faded Blue (#658CBB). oklch(63.3% 0.107 265.6), rgb(107, 136, 203).
Aa
Black text reads best on this color (6.00:1).
About this color
#6B88CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.107 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.031 away. Black text reads best on it, at 6.00:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #6B88CB |
| RGB | rgb(107, 136, 203) |
| HSL | hsl(222, 48%, 61%) |
| OKLCH | oklch(63.3% 0.107 265.6) |
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 #6B88CB | 3.49:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #6B88CB | 6.00:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #6B88CB text on white | 3.49:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #6B88CB text on black | 6.00:1 | AA | Lc -39.3 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B1C1E3
oklch(81% 0.051 265.3)
-
Step 400
400
#88A0D5
oklch(70.7% 0.083 265.5)
-
Step 500
500 (this color)
#6B88CB
oklch(63.3% 0.107 265.6)
-
Step 600
600
#5270B7
oklch(55.5% 0.116 265.5)
-
Step 700
700
#435E9E
oklch(49.2% 0.108 265.4)
-
Step 800
800
#374D80
oklch(42.8% 0.089 265.2)
-
Step 900
900
#304067
oklch(37.7% 0.07 266.2)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#6B88CB 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) | #6F8ECE | 0.018 |
| Deuteranopia (no green cones) | #6585CA | 0.012 |
| Tritanopia (no blue cones) | #4596A0 | 0.096 |
| Achromatopsia (no color) | #898989 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B88CB
#6B88CB
oklch(63.3% 0.107 265.6)
- #A78533
#A78533
oklch(63.3% 0.107 86)
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 #6B88CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.031
- Soft Blue #6488EA ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.050
- Cool Blue #4984B8 ΔE 0.050
- Dusty Blue #5A86AD ΔE 0.052
- Off Blue #5684AE ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.055
- Steel Blue #4682B4 ΔE 0.058
Use #6B88CB 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.