#618AAD
Closest named color: Dusty Blue (#5A86AD). oklch(61.7% 0.07 245), rgb(97, 138, 173).
Aa
Black text reads best on this color (5.74:1).
About this color
#618AAD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.070 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.015 away. Black text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #618AAD |
| RGB | rgb(97, 138, 173) |
| HSL | hsl(208, 32%, 53%) |
| OKLCH | oklch(61.7% 0.07 245) |
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 #618AAD | 3.65:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #618AAD | 5.74:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #618AAD text on white | 3.65:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #618AAD text on black | 5.74:1 | AA | Lc -37.6 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AFC3D6
oklch(80.8% 0.035 246.9)
-
Step 400
400
#84A5C1
oklch(70.7% 0.055 244.3)
-
Step 500
500 (this color)
#618AAD
oklch(61.7% 0.07 245)
-
Step 600
600
#4C789D
oklch(55.6% 0.076 245.1)
-
Step 700
700
#3C6586
oklch(49.1% 0.07 244.2)
-
Step 800
800
#32526D
oklch(42.6% 0.059 245.2)
-
Step 900
900
#2C4458
oklch(37.6% 0.046 244.6)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#618AAD 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) | #7C8AAF | 0.034 |
| Deuteranopia (no green cones) | #7282AC | 0.029 |
| Tritanopia (no blue cones) | #439296 | 0.057 |
| Achromatopsia (no color) | #868686 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618AAD
#618AAD
oklch(61.7% 0.07 245)
- #A37D58
#A37D58
oklch(61.8% 0.07 65.2)
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 #618AAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.015
- Faded Blue #658CBB ΔE 0.022
- Off Blue #5684AE ΔE 0.023
- Silver Lake Blue #778DA9 ΔE 0.030
- Blue Grey #758DA3 ΔE 0.031
- Cool Blue #4984B8 ΔE 0.038
- Light Slate Gray #778899 ΔE 0.038
- Steel #738595 ΔE 0.039
Use #618AAD 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.