#6387BD
Closest named color: Faded Blue (#658CBB). oklch(61.9% 0.092 258.3), rgb(99, 135, 189).
Aa
Black text reads best on this color (5.73:1).
About this color
#6387BD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.092 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.016 away. Black text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.73:1 |
| White text | 3.66:1 |
Values
| HEX | #6387BD |
| RGB | rgb(99, 135, 189) |
| HSL | hsl(216, 41%, 56%) |
| OKLCH | oklch(61.9% 0.092 258.3) |
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 #6387BD | 3.66:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #6387BD | 5.73:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #6387BD text on white | 3.66:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #6387BD text on black | 5.73:1 | AA | Lc -37.5 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DE
oklch(80.9% 0.045 258)
-
Step 400
400
#85A2CE
oklch(70.7% 0.072 258.6)
-
Step 500
500 (this color)
#6387BD
oklch(61.9% 0.092 258.3)
-
Step 600
600
#4E74AD
oklch(55.6% 0.099 258.3)
-
Step 700
700
#3F6195
oklch(49.1% 0.093 258.6)
-
Step 800
800
#344F79
oklch(42.6% 0.078 258.9)
-
Step 900
900
#2D4261
oklch(37.6% 0.06 258)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#6387BD 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) | #728ABF | 0.021 |
| Deuteranopia (no green cones) | #6882BC | 0.014 |
| Tritanopia (no blue cones) | #3D939A | 0.082 |
| Achromatopsia (no color) | #868686 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6387BD
#6387BD
oklch(61.9% 0.092 258.3)
- #A47F41
#A47F41
oklch(61.9% 0.092 78.6)
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 #6387BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.016
- Dusty Blue #5A86AD ΔE 0.028
- Off Blue #5684AE ΔE 0.029
- Cool Blue #4984B8 ΔE 0.031
- Steel Blue #4682B4 ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.046
- Blue Grey #758DA3 ΔE 0.052
- Lavender Gray #7E7F9A ΔE 0.059
Use #6387BD 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.