#498CB3
Closest named color: Dusty Blue (#5A86AD). oklch(61.2% 0.09 236.4), rgb(73, 140, 179).
Aa
Black text reads best on this color (5.68:1).
About this color
#498CB3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.090 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.021 away. Black text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #498CB3 |
| RGB | rgb(73, 140, 179) |
| HSL | hsl(202, 42%, 49%) |
| OKLCH | oklch(61.2% 0.09 236.4) |
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 #498CB3 | 3.69:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #498CB3 | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #498CB3 text on white | 3.69:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #498CB3 text on black | 5.68:1 | AA | Lc -37.3 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A6C6DA
oklch(81% 0.045 235.5)
-
Step 400
400
#75A8C7
oklch(70.7% 0.071 235.8)
-
Step 500
500 (this color)
#498CB3
oklch(61.2% 0.09 236.4)
-
Step 600
600
#2F7BA5
oklch(55.5% 0.098 236.7)
-
Step 700
700
#20688D
oklch(49.1% 0.091 235.8)
-
Step 800
800
#1E5573
oklch(42.8% 0.075 236.4)
-
Step 900
900
#1F465D
oklch(37.7% 0.059 237.1)
-
Step 950
950
#132936
oklch(26.9% 0.037 236.3)
#498CB3 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) | #7A8BB5 | 0.055 |
| Deuteranopia (no green cones) | #6B80B2 | 0.046 |
| Tritanopia (no blue cones) | #009699 | 0.066 |
| Achromatopsia (no color) | #858585 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #498CB3
#498CB3
oklch(61.2% 0.09 236.4)
- #AD754C
#AD754C
oklch(61.1% 0.09 56.3)
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 #498CB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.021
- Off Blue #5684AE ΔE 0.023
- Cool Blue #4984B8 ΔE 0.026
- Steel Blue #4682B4 ΔE 0.030
- Faded Blue #658CBB ΔE 0.032
- Blue NCS #118AB2 ΔE 0.033
- Teal Blue #01889F ΔE 0.051
- Silver Lake Blue #778DA9 ΔE 0.052
Use #498CB3 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.