#498FCB
Closest named color: Faded Blue (#658CBB). oklch(63.1% 0.115 246.8), rgb(73, 143, 203).
Aa
Black text reads best on this color (6.07:1).
About this color
#498FCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.115 and its hue 247°. 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 6.07:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #498FCB |
| RGB | rgb(73, 143, 203) |
| HSL | hsl(208, 56%, 54%) |
| OKLCH | oklch(63.1% 0.115 246.8) |
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 #498FCB | 3.45:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #498FCB | 6.07:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #498FCB text on white | 3.45:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #498FCB text on black | 6.07:1 | AA | Lc -39.8 | 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
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E4
oklch(81% 0.057 246.9)
-
Step 400
400
#71A6D6
oklch(70.7% 0.09 246.8)
-
Step 500
500 (this color)
#498FCB
oklch(63.1% 0.115 246.8)
-
Step 600
600
#2778B8
oklch(55.6% 0.125 246.9)
-
Step 700
700
#18659E
oklch(49.1% 0.116 246.4)
-
Step 800
800
#185280
oklch(42.6% 0.096 247)
-
Step 900
900
#1B4567
oklch(37.8% 0.075 246.1)
-
Step 950
950
#11283C
oklch(26.9% 0.047 246.9)
#498FCB 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) | #7591CE | 0.048 |
| Deuteranopia (no green cones) | #6384CA | 0.037 |
| Tritanopia (no blue cones) | #009DA4 | 0.088 |
| Achromatopsia (no color) | #8A8A8A | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #498FCB
#498FCB
oklch(63.1% 0.115 246.8)
- #B87A33
#B87A33
oklch(63.1% 0.115 66.3)
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 #498FCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.034
- Cool Blue #4984B8 ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.039
- Water Blue #0E87CC ΔE 0.042
- Steel Blue #4682B4 ΔE 0.046
- Dusty Blue #5A86AD ΔE 0.047
- Off Blue #5684AE ΔE 0.047
- Blue NCS #118AB2 ΔE 0.054
Use #498FCB 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.