#498FB4
Closest named color: Dusty Blue (#5A86AD). oklch(62% 0.09 233.9), rgb(73, 143, 180).
Aa
Black text reads best on this color (5.87:1).
About this color
#498FB4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.090 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.027 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #498FB4 |
| RGB | rgb(73, 143, 180) |
| HSL | hsl(201, 42%, 50%) |
| OKLCH | oklch(62% 0.09 233.9) |
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 #498FB4 | 3.57:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #498FB4 | 5.87:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #498FB4 text on white | 3.57:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #498FB4 text on black | 5.87:1 | AA | Lc -38.5 | 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
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A6C6D9
oklch(80.9% 0.044 234.1)
-
Step 400
400
#74A8C6
oklch(70.6% 0.07 234.4)
-
Step 500
500 (this color)
#498FB4
oklch(62% 0.09 233.9)
-
Step 600
600
#2B7CA4
oklch(55.6% 0.098 234.3)
-
Step 700
700
#1D698C
oklch(49.2% 0.09 233.3)
-
Step 800
800
#1B5572
oklch(42.6% 0.076 234.6)
-
Step 900
900
#1D475C
oklch(37.8% 0.059 233.1)
-
Step 950
950
#122936
oklch(26.9% 0.038 235.3)
#498FB4 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) | #7D8EB6 | 0.058 |
| Deuteranopia (no green cones) | #6E82B3 | 0.050 |
| Tritanopia (no blue cones) | #00999B | 0.064 |
| Achromatopsia (no color) | #878787 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #498FB4
#498FB4
oklch(62% 0.09 233.9)
- #B17751
#B17751
oklch(62.1% 0.09 53.6)
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 #498FB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.027
- Off Blue #5684AE ΔE 0.031
- Faded Blue #658CBB ΔE 0.032
- Cool Blue #4984B8 ΔE 0.034
- Blue NCS #118AB2 ΔE 0.037
- Steel Blue #4682B4 ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.050
- Blue Grey #758DA3 ΔE 0.050
Use #498FB4 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.