#4997BB
Closest named color: Faded Blue (#658CBB). oklch(64.2% 0.094 230.6), rgb(73, 151, 187).
Aa
Black text reads best on this color (6.42:1).
About this color
#4997BB is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.094 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.038 away. Black text reads best on it, at 6.42:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #4997BB |
| RGB | rgb(73, 151, 187) |
| HSL | hsl(199, 46%, 51%) |
| OKLCH | oklch(64.2% 0.094 230.6) |
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 #4997BB | 3.26:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #4997BB | 6.42:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #4997BB text on white | 3.26:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #4997BB text on black | 6.42:1 | AA | Lc -41.9 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D9
oklch(80.9% 0.046 229.7)
-
Step 400
400
#70A9C6
oklch(70.6% 0.073 231.3)
-
Step 500
500 (this color)
#4997BB
oklch(64.2% 0.094 230.6)
-
Step 600
600
#1F7DA4
oklch(55.5% 0.102 231.3)
-
Step 700
700
#0E6A8C
oklch(49.2% 0.094 230.2)
-
Step 800
800
#125672
oklch(42.7% 0.079 231.2)
-
Step 900
900
#19475C
oklch(37.7% 0.061 231.4)
-
Step 950
950
#102A36
oklch(27.1% 0.039 230.5)
#4997BB 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) | #8595BD | 0.065 |
| Deuteranopia (no green cones) | #7589BA | 0.056 |
| Tritanopia (no blue cones) | #00A1A3 | 0.062 |
| Achromatopsia (no color) | #8E8E8E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4997BB
#4997BB
oklch(64.2% 0.094 230.6)
- #BA7C57
#BA7C57
oklch(64.2% 0.093 51.3)
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 #4997BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.047
- Off Blue #5684AE ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.053
- Blue NCS #118AB2 ΔE 0.053
- Blue Grey #758DA3 ΔE 0.054
- Cool Blue #4984B8 ΔE 0.054
- Cadet Blue #5F9EA0 ΔE 0.054
Use #4997BB 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.