#6387A2
Closest named color: Dusty Blue (#5A86AD). oklch(60.7% 0.058 241.3), rgb(99, 135, 162).
Aa
Black text reads best on this color (5.51:1).
About this color
#6387A2 is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.058 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.020 away. Black text reads best on it, at 5.51:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #6387A2 |
| RGB | rgb(99, 135, 162) |
| HSL | hsl(206, 25%, 51%) |
| OKLCH | oklch(60.7% 0.058 241.3) |
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 #6387A2 | 3.80:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #6387A2 | 5.51:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #6387A2 text on white | 3.80:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #6387A2 text on black | 5.51:1 | AA | Lc -36.1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D0DBE3
oklch(88.5% 0.016 239.1)
-
Step 300
300
#B1C3D2
oklch(80.8% 0.029 243.2)
-
Step 400
400
#88A5BB
oklch(70.8% 0.046 241)
-
Step 500
500 (this color)
#6387A2
oklch(60.7% 0.058 241.3)
-
Step 600
600
#517895
oklch(55.5% 0.063 241.5)
-
Step 700
700
#42657F
oklch(49.1% 0.058 241.6)
-
Step 800
800
#365267
oklch(42.5% 0.049 241.7)
-
Step 900
900
#2F4454
oklch(37.6% 0.038 241.8)
-
Step 950
950
#1C2831
oklch(27% 0.024 241.1)
#6387A2 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) | #7C87A3 | 0.032 |
| Deuteranopia (no green cones) | #7380A2 | 0.027 |
| Tritanopia (no blue cones) | #4D8E90 | 0.047 |
| Achromatopsia (no color) | #838383 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6387A2
#6387A2
oklch(60.7% 0.058 241.3)
- #9C7B5F
#9C7B5F
oklch(60.8% 0.057 61.7)
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 #6387A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.020
- Steel #738595 ΔE 0.026
- Off Blue #5684AE ΔE 0.027
- Light Slate Gray #778899 ΔE 0.029
- Blue Grey #758DA3 ΔE 0.030
- Slate Gray #708090 ΔE 0.031
- Silver Lake Blue #778DA9 ΔE 0.033
- Grey Blue #647D8E ΔE 0.036
Use #6387A2 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.