#498DCD
Closest named color: Dark Sky Blue (#448EE4). oklch(62.7% 0.119 249), rgb(73, 141, 205).
Aa
Black text reads best on this color (5.97:1).
About this color
#498DCD is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.119 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.035 away. Black text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #498DCD |
| RGB | rgb(73, 141, 205) |
| HSL | hsl(209, 57%, 55%) |
| OKLCH | oklch(62.7% 0.119 249) |
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 #498DCD | 3.51:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #498DCD | 5.97:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #498DCD text on white | 3.51:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #498DCD text on black | 5.97:1 | AA | Lc -39.2 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300
#A4C4E5
oklch(80.8% 0.058 249.3)
-
Step 400
400
#72A5D9
oklch(70.6% 0.094 249.7)
-
Step 500
500 (this color)
#498DCD
oklch(62.7% 0.119 249)
-
Step 600
600
#2977BB
oklch(55.6% 0.129 248.9)
-
Step 700
700
#1B64A1
oklch(49.1% 0.12 248.8)
-
Step 800
800
#195283
oklch(42.8% 0.1 248.7)
-
Step 900
900
#1C4469
oklch(37.7% 0.078 249.1)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#498DCD 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) | #7190D0 | 0.044 |
| Deuteranopia (no green cones) | #5F83CC | 0.032 |
| Tritanopia (no blue cones) | #009CA4 | 0.092 |
| Achromatopsia (no color) | #898989 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #498DCD
#498DCD
oklch(62.7% 0.119 249)
- #B67A2A
#B67A2A
oklch(62.8% 0.119 69.6)
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 #498DCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.036
- Faded Blue #658CBB ΔE 0.037
- Water Blue #0E87CC ΔE 0.039
- Steel Blue #4682B4 ΔE 0.045
- Off Blue #5684AE ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.052
Use #498DCD 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.