#6490B2
Closest named color: Faded Blue (#658CBB). oklch(63.5% 0.07 242.4), rgb(100, 144, 178).
Aa
Black text reads best on this color (6.17:1).
About this color
#6490B2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.070 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.020 away. Black text reads best on it, at 6.17:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.17:1 |
| White text | 3.40:1 |
Values
| HEX | #6490B2 |
| RGB | rgb(100, 144, 178) |
| HSL | hsl(206, 34%, 55%) |
| OKLCH | oklch(63.5% 0.07 242.4) |
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 #6490B2 | 3.40:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #6490B2 | 6.17:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #6490B2 text on white | 3.40:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #6490B2 text on black | 6.17:1 | AA | Lc -40.3 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AEC4D5
oklch(80.9% 0.034 241.2)
-
Step 400
400
#83A5C1
oklch(70.7% 0.056 243.5)
-
Step 500
500 (this color)
#6490B2
oklch(63.5% 0.07 242.4)
-
Step 600
600
#49799D
oklch(55.7% 0.077 242.3)
-
Step 700
700
#3A6586
oklch(49% 0.072 243.1)
-
Step 800
800
#30536D
oklch(42.7% 0.059 242.1)
-
Step 900
900
#2B4558
oklch(37.8% 0.046 241.2)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#6490B2 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) | #8290B4 | 0.038 |
| Deuteranopia (no green cones) | #7788B1 | 0.030 |
| Tritanopia (no blue cones) | #45989B | 0.057 |
| Achromatopsia (no color) | #8B8B8B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6490B2
#6490B2
oklch(63.5% 0.07 242.4)
- #AA815E
#AA815E
oklch(63.5% 0.07 61.5)
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 #6490B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.020
- Silver Lake Blue #778DA9 ΔE 0.025
- Blue Grey #758DA3 ΔE 0.028
- Dusty Blue #5A86AD ΔE 0.032
- Off Blue #5684AE ΔE 0.039
- Light Slate Gray #778899 ΔE 0.041
- Steel #738595 ΔE 0.047
- Cool Blue #4984B8 ΔE 0.050
Use #6490B2 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.