#498AB1
Closest named color: Dusty Blue (#5A86AD). oklch(60.7% 0.089 237.1), rgb(73, 138, 177).
Aa
Black text reads best on this color (5.55:1).
About this color
#498AB1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.089 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.018 away. Black text reads best on it, at 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.55:1 |
| White text | 3.78:1 |
Values
| HEX | #498AB1 |
| RGB | rgb(73, 138, 177) |
| HSL | hsl(203, 42%, 49%) |
| OKLCH | oklch(60.7% 0.089 237.1) |
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 #498AB1 | 3.78:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #498AB1 | 5.55:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #498AB1 text on white | 3.78:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #498AB1 text on black | 5.55:1 | AA | Lc -36.5 | 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
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A7C5DA
oklch(80.8% 0.044 238.6)
-
Step 400
400
#76A8C7
oklch(70.8% 0.07 236.3)
-
Step 500
500 (this color)
#498AB1
oklch(60.7% 0.089 237.1)
-
Step 600
600
#317BA5
oklch(55.6% 0.097 237.2)
-
Step 700
700
#23688D
oklch(49.2% 0.09 236.4)
-
Step 800
800
#1F5573
oklch(42.8% 0.075 236.7)
-
Step 900
900
#20465D
oklch(37.7% 0.059 237.6)
-
Step 950
950
#142936
oklch(27% 0.036 237.4)
#498AB1 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) | #7889B3 | 0.053 |
| Deuteranopia (no green cones) | #6A7EB0 | 0.046 |
| Tritanopia (no blue cones) | #009497 | 0.067 |
| Achromatopsia (no color) | #838383 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #498AB1
#498AB1
oklch(60.7% 0.089 237.1)
- #AB744B
#AB744B
oklch(60.7% 0.089 56.8)
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 #498AB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.018
- Off Blue #5684AE ΔE 0.019
- Cool Blue #4984B8 ΔE 0.023
- Steel Blue #4682B4 ΔE 0.026
- Blue NCS #118AB2 ΔE 0.031
- Faded Blue #658CBB ΔE 0.035
- Stormy Blue #507B9C ΔE 0.046
- Cerulean #457B9D ΔE 0.048
Use #498AB1 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.