#499BB4
Closest named color: Cadet Blue (#5F9EA0). oklch(64.8% 0.088 220.6), rgb(73, 155, 180).
Aa
Black text reads best on this color (6.63:1).
About this color
#499BB4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.088 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.038 away. Black text reads best on it, at 6.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #499BB4 |
| RGB | rgb(73, 155, 180) |
| HSL | hsl(194, 42%, 50%) |
| OKLCH | oklch(64.8% 0.088 220.6) |
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 #499BB4 | 3.16:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #499BB4 | 6.63:1 | AA | Lc 45.5 | Large or bold text, headings |
| #499BB4 text on white | 3.16:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #499BB4 text on black | 6.63:1 | AA | Lc -43.1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C8D4
oklch(81% 0.043 219.5)
-
Step 400
400
#6FABBF
oklch(70.8% 0.069 221)
-
Step 500
500 (this color)
#499BB4
oklch(64.8% 0.088 220.6)
-
Step 600
600
#1A809A
oklch(55.7% 0.095 220.2)
-
Step 700
700
#056C84
oklch(49.2% 0.089 220.6)
-
Step 800
800
#0E586B
oklch(42.8% 0.073 220.4)
-
Step 900
900
#174857
oklch(37.6% 0.057 221.9)
-
Step 950
950
#0F2A33
oklch(26.8% 0.037 222.6)
#499BB4 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) | #8C97B5 | 0.073 |
| Deuteranopia (no green cones) | #7C8CB4 | 0.064 |
| Tritanopia (no blue cones) | #00A3A3 | 0.050 |
| Achromatopsia (no color) | #919191 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499BB4
#499BB4
oklch(64.8% 0.088 220.6)
- #BD7C65
#BD7C65
oklch(64.8% 0.088 40.3)
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 #499BB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.038
- Greyblue #77A1B5 ΔE 0.051
- Faded Blue #658CBB ΔE 0.052
- Sea #3C9992 ΔE 0.054
- Blue Grey #758DA3 ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.055
- Dusty Blue #5A86AD ΔE 0.058
- Dull Teal #5F9E8F ΔE 0.061
Use #499BB4 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.