#6491D2
Closest named color: Faded Blue (#658CBB). oklch(65.2% 0.11 257.5), rgb(100, 145, 210).
Aa
Black text reads best on this color (6.52:1).
About this color
#6491D2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.110 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.034 away. Black text reads best on it, at 6.52:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.52:1 |
| White text | 3.21:1 |
Values
| HEX | #6491D2 |
| RGB | rgb(100, 145, 210) |
| HSL | hsl(215, 55%, 61%) |
| OKLCH | oklch(65.2% 0.11 257.5) |
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 #6491D2 | 3.21:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #6491D2 | 6.52:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #6491D2 text on white | 3.21:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #6491D2 text on black | 6.52:1 | AA | Lc -42.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EAF4
oklch(93.5% 0.015 257.2)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ABC2E4
oklch(80.8% 0.054 258)
-
Step 400
400
#7FA2D6
oklch(70.6% 0.086 258.1)
-
Step 500
500 (this color)
#6491D2
oklch(65.2% 0.11 257.5)
-
Step 600
600
#4474B8
oklch(55.7% 0.119 257.3)
-
Step 700
700
#35619E
oklch(49.1% 0.11 257)
-
Step 800
800
#2D4F80
oklch(42.7% 0.091 257.6)
-
Step 900
900
#284267
oklch(37.7% 0.071 257.3)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#6491D2 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) | #7795D5 | 0.026 |
| Deuteranopia (no green cones) | #6A8BD1 | 0.017 |
| Tritanopia (no blue cones) | #2A9FA8 | 0.097 |
| Achromatopsia (no color) | #8F8F8F | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6491D2
#6491D2
oklch(65.2% 0.11 257.5)
- #B58639
#B58639
oklch(65.1% 0.11 76.9)
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 #6491D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.034
- Cornflower Blue #6495ED ΔE 0.040
- Dark Sky Blue #448EE4 ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.047
- Soft Blue #6488EA ΔE 0.048
- Cool Blue #4984B8 ΔE 0.060
- Dusty Blue #5A86AD ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.062
Use #6491D2 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.